Copyrights for this Manual

• JVCKENWOOD Corporation shall own all copyrights and intellectual properties for the product and the
manuals, help texts and relevant documents attached to the product or the optional software.

• A user is required to obtain approval from JVCKENWOOD Corporation, in writing, prior to redistributing this
document on an Internet website.

• A user is prohibited from assigning, renting, leasing or reselling the document.

• JVCKENWOOD Corporation does not warrant that quality and functions described in this manual comply
with each user’s purpose of use and, unless specifically described in this manual, JVCKENWOOD
Corporation shall be free from any responsibility for any defects and indemnities for any damages or losses.

Software Copyrights
• The title to and ownership of copyrights for software, including but not limited to the firmware and optional
software that may be distributed individually, are reserved for JVCKENWOOD Corporation. The firmware
shall mean the software which can be embedded in KENWOOD product memories for proper operation.

• Any modifying, reverse engineering, copying, reproducing or disclosing on an Internet website of the
software is strictly prohibited.

• The software embedded in this transceiver consists of multiple individual software components. Title to and
ownership of copyrights for each software component is reserved for JVCKENWOOD Corporation and the
respective bona fide holder.

Copyrights for Recorded Audio

The broadcast content recorded in this transceiver may not be reused, except for the personal use, without
prior consent of the right holder under the copyright laws.

Trademarks
• KENWOOD is a registered trademark of JVCKENWOOD Corporation.

® ®
• Windows and the Windows logo are the registered trademarks of Microsoft Corporation in the United
States and other countries.

• The microSD logo and microSDHC logo are trademarks or registered trademarks of SD-3C LLC.

®
• The Bluetooth word mark and logo are registered trademarks owned by Bluetooth SIG, Inc., and
JVCKENWOOD Co., Ltd. uses these marks under license.

TM TM
• USB Type-C and USB-C are trademarks of USB Implementers Forum.

®
• APRS (The Automatic Packet Reporting System) trademark is used with permission of Tucson Amateur
Packet Radio Corp., its assignee.

• Google, Android and Google Play are trademarks of Google LLC.

• All other product names referenced herein are trademarks or registered trademarks of their respective
TM ®
manufacturers. Marks such as is and are omitted in the body text.

ii
Indemnity
• JVCKENWOOD Corporation takes all appropriate measures to ensure all descriptions in this manual to be
accurate; however, this manual may still contain typos and expressions that are misleading.
JVCKENWOOD Corporation is entirely free from any responsibilities arising from any losses or damages
caused by such typos or expressions.

• JVCKENWOOD Corporation has the right to change or improve the product specifications, etc., described
in this manual without prior notice. JVCKENWOOD Corporation is entirely free from any responsibilities for
any losses or damages caused by such changes and improvements.

• JVCKENWOOD Corporation is entirely free from any responsibilities for any failures, damages or losses
arising from, or in connection with, use of the transceiver with or connected to any external equipment. This
includes failures, damages, or losses that may occur in PCs connected to the transceiver or in storage
devices such as microSD cards.

• JVCKENWOOD Corporation is entirely free from any responsibilities for any secondary failures, damages
or losses, including but not limited to the loss or damage of data or data files stored in these memories.

• JVCKENWOOD Corporation does not warrant that quality and functions described in this manual comply
with your purpose of use and, unless specifically described in this manual, JVCKENWOOD Corporation
shall be free from any responsibilities for any defects and indemnities for any damages or losses. Selection
and installation of any external equipment shall be done at your own risk. You are fully responsible for the
use and effects of external equipment.

• JVCKENWOOD Corporation shall be free from any responsibilities for any incidental losses or damages,
such as missing communications or call opportunities caused by a failure or performance error of the
transceiver.

• JVCKENWOOD Corporation cannot provide information on all technical aspects related to the connection,
configuration, and operation of external devices and PCs beyond its knowledge.

Handling of Important Data

There is a possibility that the user's important data may be lost due to a malfunction of the equipment,
unforeseen circumstances, or erroneous operation. Therefore, it is crucial for the user to regularly create
backups of important information such as operational data, recorded voices, messages, settings, and logs.
These backups should be stored on an external data storage device, such as a USB flash drive.

URL and Contacts of JVCKENWOOD CORPORATION.

The latest URL and contacts details for JVCKENWOOD Corporation at the time this manual was written are
included herein. Due to changes of social circumstances or the management environment, the URL and
contacts of JVCKENWOOD Corporation may change from time to time.

This manual is dedicated to the APRS pioneer Mr. Bob Bruninga (WB4APR: SK).

Mr. Don Arnold, W6GPS made significant contributions to this manual by authoring Chapter 3 and helping
in overseeing other sections.

We also thank Mr. David Grootendorst, PA7LIM, for developing applications that have simplified making
seamless reflector connections, benefiting users globally.

Additionally, we extend deep gratitude to the global community of radio amateurs for their dedication to
developing, maintaining, and preserving the APRS, D-STAR, and other systems, ensuring these resources
effectively serve the community.

iii
COPYRIGHTS FOR THIS MANUAL .................................................................................................................................. II
SOFTWARE COPYRIGHTS .............................................................................................................................................. II
COPYRIGHTS FOR RECORDED AUDIO ............................................................................................................................ II
TRADEMARKS ............................................................................................................................................................... II
INDEMNITY .................................................................................................................................................................. III
HANDLING OF IMPORTANT DATA ................................................................................................................................ III
URL AND CONTACTS OF JVCKENWOOD CORPORATION. .............................................................................................. III
1 PROLOGUE ..............................................................................................................................................................1
1.1 INTRODUCING THE TH-D75A/E: EVOLUTION OF THE LEGACY............................................................................................. 1
2 APRS .......................................................................................................................................................................2
2.1 APRS NETWORK........................................................................................................................................................ 2
2.2 APRS AND KENWOOD ............................................................................................................................................. 2
2.3 APRS FEATURES ON THE TH-D75A/E ........................................................................................................................... 3
2.4 DIGIPEATER RELAY METHODS ....................................................................................................................................... 5
2.5 DIGIPEATER CONFIGURATION EXAMPLES (USA) ............................................................................................................... 7
2.6 PACKET PATH ............................................................................................................................................................ 8
2.7 KISS TNC ................................................................................................................................................................. 9
2.8 KISS MODE APPLICATION EXAMPLE ............................................................................................................................... 10
3 ENJOYING D-STAR (BY DON ARNOLD, W6GPS) ......................................................................................................12
3.1 ENCOUNTER WITH D-STAR ........................................................................................................................................ 12
3.2 ENJOY WITH D-STAR ................................................................................................................................................ 12
3.3 D-STAR REFLECTOR OPERATION ................................................................................................................................. 14
3.4 REFLECTOR TERMINAL MODE ..................................................................................................................................... 15
4 D-STAR ..................................................................................................................................................................16
4.1 BASIC OPERATION .................................................................................................................................................... 16
4.2 D-STAR COMMUNICATION ......................................................................................................................................... 17
4.3 COMMUNICATION USING A REPEATER .......................................................................................................................... 18
4.4 CONFIGURATION FOR REFLECTOR COMMUNICATION ....................................................................................................... 21
4.5 REFLECTOR TERMINAL MODE ..................................................................................................................................... 23
4.6 HOTSPOT LIST ......................................................................................................................................................... 34
4.7 HOW TO UPDATE THE REPEATER LIST ........................................................................................................................... 38
5 SETTINGS & CONTROLS .........................................................................................................................................41
5.1 USB CHARGING .......................................................................................................................................................... 41
5.2 EXTENDING THE BATTERY LIFE..................................................................................................................................... 42
5.3 SILENT APRS AND PACKET COMMUNICATIONS (VOICEALERT)........................................................................................... 43
5.4 SCREEN CAPTURE OF TRANSCEIVER DISPLAY .................................................................................................................. 43
5.5 VIEWING MICROSD CARD CONTENTS ON APC ............................................................................................................... 44
5.6 BEEP AND VOICE GUIDANCE ....................................................................................................................................... 44
5.7 ADJUSTMENT OF RX AUDIO QUALITY ........................................................................................................................... 45
5.8 ADJUSTMENT OF TX AUDIO QUALITY ........................................................................................................................... 45
5.9 WIDE-BAND AND MULTI-MODE RECEPTION................................................................................................................... 46
5.10 MODE.................................................................................................................................................................... 48
5.11 MEMORY CHANNELS................................................................................................................................................. 51
5.12 BLUETOOTH CONNECTION ......................................................................................................................................... 53
5.13 USB CONNECTION..................................................................................................................................................... 54
5.14 MICROSD CARD USAGE ............................................................................................................................................. 55
6 APPENDIX..............................................................................................................................................................60
6.1 EXTERIOR VIEWS ...................................................................................................................................................... 60
6.2 TH-D75A / TH-D75E SPECIFICATIONS ....................................................................................................................... 61

iv
 1 PROLOGUE

1 PROLOGUE
1.1 Introducing the TH-D75A/E: Evolution of the Legacy
We are delighted to introduce the TH-D75A/E. This model inherits the outstanding features of the predecessor,
the TH-D74A/E, and offers further enhancements for improved user experiences. The TH-D74A/E, a high-end
handheld transceiver launched in 2016, was highly acclaimed for its multifunctionality and user-friendliness.
Unfortunately, due to a halt in the supply of key semiconductors, we had to discontinue the production after just four
years. In response, we have developed the successor, the TH-D75A/E, incorporating valuable feedback and requests
from many customers.

The new TH-D75A/E is compliant with MMDVM (Multi-Mode Digital Voice Modem) serial commands and
introduces Reflector Terminal Mode in Band A. This feature allows easy access to D-STAR reflectors via
a Windows PC or Android device using third-party applications, through USB or Bluetooth connections,
eliminating the need for mini-RF devices such as hotspots.

Moreover, the TH-D75A/E supports simultaneous reception of D-STAR on both Bands A and B. Users
can continue to operate D-STAR repeaters or hotspots on Band B even while using the Reflector Terminal
Mode on Band A. In addition to the predecessor's 1500 Repeater List, the TH-D75A/E features a 30
Hotspot List, enhancing convenience for hotspot operation.

Like its predecessor, the TH-D75A/E includes a built-in KISS mode TNC, enabling packet communication
with PCs via USB or Bluetooth. Importantly, this model leverages the KISS mode TNC to revive the stand-
alone digipeater function, a feature that was popular in the TH-D72A/E but absent in its immediate
predecessor. This enhancement plays an active role in your field operations again.

Continuing the design philosophy of the predecessor, Band A (upper section) is specifically designed for
amateur band operation at 144MHz, 430MHz, and 220MHz (TH-D75A only), while Band B (lower section)
not only supports these amateur bands but also offers wide-band reception across frequencies from
0.1MHz to 524MHz. It supports various modes such as SSB, AM, CW, FM, and DV, with DSP handling
the demodulation for SSB, AM, and CW modes. Notably, SSB, AM, and CW modes include an IF receive
filter, which ensures clear reception by reducing interference. Moreover, this model can output an IF
signal with a center frequency of 12kHz and a bandwidth of 15kHz via the USB port, allowing for diverse
operations like monitoring the band scope (a third-party application is required) on a connected PC while
listening to the received audio from the speaker output.

Our current lineup of amateur transceivers is equipped with voice guidance functionality, ensuring ease of
use even when displays are difficult to read. The TH-D75A/E goes a step further, providing over 770
phrases of voice data to inform users of the operating status, including menus, parameters, frequency, or
memory channel contents shown on the screen. This model also supports reading of callsigns using
phonetic codes.

These features of the TH-D75A/E enhance the user experiences and will be explained more in the
following pages. We encourage you to consult this document and the USER MANUAL (download version)
to fully enjoy your TH-D75A/E transceiver.

The USER MANUAL is available for download from the following URL.

https://manual.kenwood.com/en_contents/search/keyword

May, 2024
KENWOOD TH-D75A/E Development Team

1
2 APRS

2 APRS
2.1 APRS Network
APRS (The Automatic Packet Reporting System) is a worldwide data communication system introduced
by Mr. Bob Bruninga (WB4APR, Silent Key).
It facilitates the real-time, bidirectional exchange of position information, messages, and other local
information between APRS clients such as the TH-D75A/E, either directly or via Digipeater or IGate
stations within the APRS network.
For more information and detailed guides, please visit the official APRS website at http://www.aprs.org.

2.1.1 Digipeater
The Digipeater (Digital Repeater) relays digital packet data such as APRS beacons or messages. Upon
receiving a packet, it is stored in memory and then re-transmitted on the same frequency once reception
concludes. This process facilitates the extension of the communication range beyond the direct reach of
individual stations.

2.1.2 IGate
The IGate (Internet Gateway) is a very useful and important feature for APRS as well as the Digipeater.
IGates facilitate the bridging of APRS packets between Radio Frequency (RF) and the Internet, allowing
for communication with much more distant stations beyond the reach of Digipeaters alone.

2.2 APRS and KENWOOD

KENWOOD has long been a forerunner in APRS, merging transceiver and GPS technology to spearhead
innovation in the field.
Our engagement with APRS began in 1996 upon meeting its pioneer, Mr. Bob Bruninga. This era marked
the nascent stages of the Internet, personal computers, GPS, and electronic mapping. As these
foundational elements matured, KENWOOD's transceivers evolved in tandem, continuously adapting to
and influencing the technological landscape.
Our dedication to enhancing APRS continues unabated. We aim to make APRS more accessible and
enjoyable, introducing features that enhance its practicality and user experiences.
The sections that follow will provide an overview of these features, designed to make the most of APRS
for enthusiasts and advanced users alike.

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 2 APRS

2.3 APRS Features on the TH-D75A/E

This section focuses primarily on the enhanced APRS features first introduced with the TH-D74A/E, and now
seamlessly integrated into the successor, the TH-D75A/E.

2.3.1 Relative Direction Display

The direction of your advancement is centered on a large compass display, with the location and
movement direction of the target station indicated along the compass edge for straightforward
identification.
You can toggle the display between North Up and Heading Up by pressing [F], aiding in determining if the
target station is moving in the same direction as your station.
Example: When W4DJY-9 (target station) is at 45 degrees from your station and moving southeast at 70 mph.

2.3.2 Transmission of Object/Item Information

The TH-D75A/E support the transmission of "Object information" and "Item information."
"Object information" involves transmitting data about entities that may not have a radio, such as
hurricanes or marathon runners, characterized by a timestamp. In contrast, "Item information" pertains to
static entities like event locations, which do not carry timestamps.
These details are transmitted using predefined names, making the received data easily identifiable on the
callsign display.
Live Object/Item: For temporally relevant information (e.g., during a hurricane or marathon), set "Type" to
Live Object or Live Item.
Killed Object/Item: When the information expires, choose Killed Object or Killed Item as "Type" to update
the status accordingly.

2.3.3 Disclosing Voice Frequency Information (QSY Function)

The frequency used for APRS data communication cannot be used for voice communication.
The TH-D75A/E facilitates the sharing of voice communication frequencies through the APRS beacon.
Embedding the voice frequency in APRS data (the QSY function) allows for seamless bidirectional
communication. When transmitting QSY data, such as for FM repeaters, additional settings of
tone/shift/offset may be included.
"F" (means Frequency) appears on receiving QSY data, enabling the "Tune" function to select the
frequency automatically for voice communication in non-APRS band.

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2 APRS

2.3.4 Disclosing D-STAR Frequency Information with the QSY Function

The TH-D75A/E enhances the QSY function by integrating D-STAR frequency details and repeater
information. Activating the "Tune" function upon receiving QSY information of D-STAR automatically aligns
the transceiver's settings with the D-STAR configuration. This streamlined process facilitates a smooth
transition to D-STAR voice communication while managing APRS data communication on a distinct, non-
APRS band.
In DR Mode (Semi-duplex): The frequency details and the callsign of the currently configured D-STAR repeater are
included in the QSY information. Activating the "Tune" function allows the receiving station to switch the non-
APRS band to DR mode and sets the specified D-STAR repeater callsign as the Gateway CQ destination
for voice communication.
In DV Mode (Simplex): Only the frequency details are included in the QSY information. Activating the
"Tune" function allows the receiving station to switch the non-APRS band to DV mode and sets the
simplex D-STAR frequency for voice communication.

2.3.5 Restricting QSY Information

This is one of the QSY functions for the receiving end. The feature allows you to restrict the "Tune"
operation to only include data within a specified distance range from my station. For instance, if a station
operating in FM mode or DV mode is too remote to receive radio signals directly, the "Tune" operation
would be ineffective.
In such scenarios, you can set a distance range to limit the tuning capabilities of these receiving stations.
(→ Menu No. 523)

2.3.6 Beacon Transmission from a Fixed Position During GPS Track Logging
In previous models up to the TH-D72A/E, GPS information was automatically used for APRS beacon
transmissions whenever GPS was enabled, which could be problematic for stations that wanted to log their track
without transmitting their location. The TH-D75A/E and TH-D74A/E allow you to select position information for
beacon transmissions, including "GPS" or predefined "My Position1 - 5" settings. This allows you to record your
GPS track log while transmitting a fixed position of your choice. (→ Menu No. 401)

2.3.7 Registering the Beacon of My Station that is Digipeated in the Station List
In the previous models up to the TH-D72A/E, the beacon transmitted from my station and then digipeated
was not recorded in the APRS station list. The TH-D75A/E registers these digipeated beacons in the
station list. This enhancement allows you to view the APRS information you transmit from an external
perspective, improving situational awareness and network understanding.

2.3.8 Reading Out Received Beacons with Voice Guidance Function

The TM-D710GA/GE (with VGS-1) and TH-D74A/E had the capability to audibly announce the other
station's callsign and message text (APRS voice) upon receiving an APRS message.
The TH-D75A/E features an enhanced voice guidance function that extends to reading out the content of
received beacons as well.
When Menu No. 916 (Voice Guidance) is set to "Auto 1" or "Auto 2", the selected station's callsign,
position information, weather station data, and other relevant details from the station list are automatically
announced.

4
 2 APRS

2.4 Digipeater Relay Methods

The greatest feature of APRS is the network that is spreading around the world, at the heart of which are
many digital repeaters, commonly referred to as digipeaters. These have long been well-known among
packet radio users. Digipeaters receive data over-the-air via radio signals and relay it onward. Unlike a
voice repeater, which uses two different frequencies to function, a digipeater first receives and stores data,
then transmits it once the channel clears.
In the early days of packet radio and digipeaters, users needed to specify the callsign of each digipeater
station, a challenging task especially when moving in a vehicle and needing to constantly switch
digipeaters.
Currently, APRS employs a universal generic callsign for all digipeaters, referred to as WIDEn-N, where "n" represents
the maximum hops, and "N" represents the desired hops through the network. The total hop count is typically 2 or
fewer. ("Hops" refers to the relay stages.) This WIDE terminology indicates that the digipeater is in a good
location for repeating signals. Mobile stations can simply specify WIDEn-N, like WIDE1-1, without needing
to know the specific callsigns of digipeaters to relay their beacon transmissions.
Data exchange in APRS is facilitated through the UI frame (Unnumbered Information frame), which allows
for the exchange of data without establishing a connection. The methods described below, UIdigipeat,
UIflood, and UItrace, which are also built into the digipeater function of the TH-D75A/E, specialize in
forwarding UI frames.

2.4.1 UIdigipeat
Activating UIdigipeat allows for the forwarding of received UI frames containing its alias for UIdigipeat,
such as WIDE1-1 for one-hop fill-in digipeaters, by replacing the alias with the digipeater's callsign, along
with marking the packet with a completion flag (＊).
For example, WIDE1-1, WIDE2-1 → W4DJY-1＊, WIDE2-1.

Typically, using UIdigipeat on an APRS transceiver as a client is discouraged to prevent excess

interference, as mobile stations repeating all channel packets can lead to congestion. However, in certain
scenarios like emergencies or when a mobile station is strategically positioned, such as atop a hill or in a
weak signal area, activating UIdigipeat with the WIDE1-1 alias enables the mobile station to effectively act
as the initial digipeater. This facilitates communication from challenging locations without significantly
impacting network traffic, since WIDE1-1 digipeating is limited to the first hop.

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2 APRS

2.4.2 UIflood
Activating UIflood enables the forwarding of received UI frames containing its alias for UIflood, such as
"CA" for California, by decrementing the number of hops.
For example, CA3-3 → CA3-2.

To keep frame lengths manageable, UIflood does not fully track packet paths as shown above. Therefore,
UIflood is suitable only for broader digipeating paths within specific boundaries designated by SSn-N, such
as "CA" for California, or SSSn-N, such as "WPA" for the Western Pennsylvania Section. For broader
digipeating, SS3-3 or SSS3-3 should be used instead of WIDE3-3.
UIflood is a feature specific to full-sized, properly configured, permanent digipeaters. Activating UIflood on
mobile stations risks causing network interference. It should only be activated in exceptional
circumstances, such as when a mobile station is used on a hill to provide temporary emergency
digipeating services, replacing a missing or malfunctioning permanent digipeater.

2.4.3 UItrace
Activating UItrace enables the forwarding of received UI frames containing its alias for UItrace, such as
WIDE for wide area digipeaters, decrementing the number of hops and adding the digipeater's callsign
along with marking the packet with a completion flag (＊).
For example, WIDE2-2 → W4DJY-1＊, WIDE2-1.

UItrace operates similarly to UIflood but distinguishes itself by documenting the complete packet
digipeaters involved in the forwarding. This feature allows users to verify the precise path of any
transmitted packet. Although activating UItrace by mobile stations is typically not recommended due to
potential network complications, the significant benefits of UItrace suggest that all APRS mobile stations
should enable it using the TEMP alias instead of WIDE, allowing mobile stations to act as TEMPn-N
digipeaters while minimizing interference with the standard use of WIDEn-N.

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 2 APRS

2.5 Digipeater Configuration Examples (USA)

Configuring digipeaters correctly is crucial for efficient APRS communication. Below are examples for
setting up two common types of digipeaters.

2.5.1 Fill-in type Digipeater Configuration

This example shows configuration for a typical fill-in type digipeater for general use in routine operation.
Menu No.580 [APRS - Digipeat - Digipeat(MyCall)] : On
Menu No.582 [APRS - Digipeat - UIdigipeat] : On
Menu No.583 [APRS - Digipeat - UIdigi Aliases] : WIDE1-1
Menu No.584 [APRS - Digipeat - UIflood] : On
Menu No.585 [APRS - Digipeat - UIflood Alias] : SS or SSS (Abbreviation of state or ARRL section.)
Menu No.586 [APRS - Digipeat - UIfloodSubstitution] : ID
Menu No.587 [APRS - Digipeat - UItrace] : On
Menu No.588 [APRS - Digipeat - UItrace Alias] : TEMP

2.5.2 Wide type Digipeater Configuration

This is a general recommendation for permanent digipeaters installed at a high location.
Menu No.580 [APRS - Digipeat - Digipeat(MyCall)] : On
Menu No.582 [APRS - Digipeat - UIdigipeat] : On
Menu No.583 [APRS - Digipeat - UIdigi Aliases] : WIDE1-1
Menu No.584 [APRS - Digipeat - UIflood] : On
Menu No.585 [APRS - Digipeat - UIflood Alias] : SAR (Stands for Search and Rescue.)
Other local paths can be defined here.
Menu No.586 [APRS - Digipeat - UIfloodSubstitution] : ID
Menu No.587 [APRS - Digipeat - UItrace] : On
Menu No.588 [APRS - Digipeat - UItrace Alias] : WIDE

Proper configuration of digipeaters ensures optimal performance and integration into the APRS network,
enhancing communication for all users.

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2 APRS

2.6 Packet Path

To efficiently transfer packet data and address frequency congestion from the proliferation of APRS
systems, the TH-D75A/E supports various packet path configurations, offering an efficient packet transfer
mechanism.

2.6.1 New-N Paradigm

Proper configuration under the New-N Paradigm is essential for establishing an effective packet path
using WIDEn-N, a system that assigns both an alias and a specific number of hops to digipeaters. This
globally adopted system simplifies the process of specifying the desired number of hops for packet
transmission.
Historically, the RELAY setting was used for the first hop within a region. However, this approach has
been superseded by the use of WIDE1-1, reflecting a shift towards a more standardized and efficient
approach within the APRS network.
In the TH-D75A/E, "WIDE1-1" is set to "On" and "Total Hops" is set to "2" by default. This ensures that the
packet path is adjusted to "WIDE1-1, WIDE2-1", optimizing transmission for 2 hops within the network.
Under the New-N paradigm, it is advised to limit hops to 2 or fewer. To safeguard the APRS network from
potential negative impacts caused by configuration errors, the TH-D75A/E thoughtfully displays a warning
message when a user attempts to adjust the "Hops" setting to exceed "2" in the "New-N" configurations.

2.6.2 Relay Paradigm

Although the Relay Paradigm remains in the TH-D75A/E, it is now largely obsolete and has been replaced
by the New-N Paradigm. The Relay Paradigm, which includes the backward-compatible RELAY as the
first hop, and uses TRACEn-N for subsequent hops, was a foundational approach before the integration of
the more efficient New-N Paradigm.

2.6.3 Region
In contrast to the omnidirectional propagation of WIDEn-N, the Region setting allows packet relay within
specific boundaries, reducing interference outside these areas. Abbreviations designate these boundaries,
such as "AZ" for Arizona or "NCA" for the North California Section. This enables the establishment of
special nets for long-distance communication without adversely affecting other areas.
For example, using WIDE5-5 from the middle of Maryland would generate hundreds of packets of
interference in 13 surrounding states. This is why configurations beyond "WIDE2-2" are not
recommended. However, "MD5-5" would facilitate statewide communication in Maryland without causing
unnecessary interference. The packet path of the Region setting is used effectively during events such as
statewide drills.

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 2 APRS

2.7 KISS TNC

2.7.1 What is KISS?
KISS stands for "Keep It Simple, Stupid" a principle proposed by K3MC and KA9Q at the ARRL 6th
Computer Networking Conference in 1987. It refers to a design approach for a TNC (Terminal Node
Controller) that operates without the complex protocol control typically found in TNCs, specifically omitting
the AX.25 protocol. KISS protocol is designed to minimize interference and collisions during
communication. The KISS protocol supports features such as adding a Frame Check Sequence (FCS) to
transmitted data for error checking and flag to denote packet frame boundaries. Additionally, the KISS
protocol offers eight types of serial communication commands for interfacing with PCs, simplifying the
process.

2.7.2 TH-D75A/E KISS TNC Specifications

The TH-D75A/E’s KISS TNC is designed to support packet speeds of 1200 bps using AFSK modulation
and 9600 bps using GMSK modulation. It features a transmit buffer size of 3 kB and a receive buffer size
of 4 kB, accommodating efficient data handling for different communication needs.

2.7.3 List of KISS Commands

Command Default Value

Command Functional Description Configurable Range
Name (Value when KISS mode is On)

Transmits data that is configured

00 Data Frame - -
immediately after the command.

For configuring the time

Varies with the
interval from the point when
TH-D75A/E
01 TXDELAY PTT is turned on until when 0 to 120 (78 h)
data transmission starts. Menu No. 508 (TX Delay)
configuration.
Units of 10 ms
For configuring the probability
02 P 0 to 255 (FFh) 128(80h)
of P-persistent CSMA.
For configuring the random
number generation time
03 SlotTime 0 to 250 (FAh) 10(0Ah)
interval of P-persistent CSMA.
Units of 10 ms
For configuring the duration
for maintaining the
04 TXtall transmission state after FCS 0 to 255 (FFh) 3
(CRC) is transmitted.
Units of 10 ms
0: Half-duplex
communication
For selecting full-duplex or
05 FullDuplex Value other than 0: 0
half-duplex communication.
Full-duplex
communication

0 or 35 (23 h) Varies with the

: 1200 bps TH-D75A/E
06 SetHardware Switches the packet speed.
5 (05 h) or 38 (26 h) Menu No. 505 (Data Speed)
: 9600 bps configuration.

FF Return Exits KISS mode. - -

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2 APRS

2.8 KISS Mode Application Example

The TH-D75A/E can run an IGate or digipeater station in KISS mode by using a PC with an APRS
application installed. The following is an example of using UI-View32, which is one of the popular APRS
applications.
Note:
• UI-View32 is originally designed for older operating systems. On current operating systems, run the
application in compatibility mode to ensure stable operation. Right-click the UI-View32 shortcut, select
"Properties", and open the "Compatibility" tab. Check "Run this program in compatibility mode for:" and
select "Windows XP (Service Pack 3)".

2.8.1 Operation of IGate or Digipeater by Combining the TH-D75A/E and UI-View32

To configure the TH-D75A/E with UI-View32 for IGate or digipeater operation, follow these steps.
1. Press [F], [LIST] (APRS) on the TH-D75A/E to turn off KISS mode. Ensure that neither "KISS12" nor
"KISS96" is displayed, as these icons indicate that the device is in KISS mode.
2. In UI-View32, access the "Comms Setup" window through the "Setup" pull-down menu.
3. Configure the TH-D75A/E PC terminal settings in UI-View32's "Comms Setup" window as follows:

Baud Rate: 9600 bps; Data Bits: 8; Stop Bits: 1; Parity: None;
COM Port: Select the PC's virtual COM port assigned to the TH-D75A/E.

4. Choose "KISS" from the "Host mode" dropdown list, then click "Setup".

10
 2 APRS

5. In the "KISS Setup" window, enter "TN 2,0" in the first field and leave the others blank.
(Be sure to include a space between "N" and "2".)

Click "OK" to close this window.

6. Click "OK" in the "Comms Setup" window to finalize the setup. This action sends a command to the
TH-D75A/E, switching its built-in TNC to KISS mode. The "KISS12" or "KISS96" icon will light up,
indicating KISS mode activation.
It's important to note that while in KISS mode, all APRS configurations on the TH-D75A/E will be
inactive, with the exceptions of Menu No.505 (Data Speed) and Menu No.506 (Data Band).

For more detailed settings in UI-View32 or other applications, please consult online resources for
further guidance and explanations.

11
3 ENJOYING D-STAR (BY DON ARNOLD, W6GPS)

3 ENJOYING D-STAR (BY DON ARNOLD, W6GPS)

3.1 Encounter with D-STAR

II have been a Ham since the early 1970s, so I love talking about HF and Local repeater operations.
Several places I lived in had antenna restrictions, but somehow I would be able to hide an antenna or just
work worldwide HF in the car. I did do a little D-STAR around 2010. It was ok, but limited to where a
repeater was and had limited access to the D-STAR network, so I set it aside. When the KENWOOD
TH-D74A/E was released August 2016, I tried my D-STAR experience again. Now, instead of having to
depend on D-STAR repeaters, mobile Access Points along with mobile Hotspots opened up a broader
more accessible D-STAR experience. In the first 4 hours on the air with my new KENWOOD TH-D74A/E, I
worked 15 new countries that I thought I would never get. I find the majority of D-STAR activity is with a
hotspot or a D-STAR access point. Examples of the access point are DV Mega, openSPOT, and the
popular DVAP. In the first QSO's I had with the TH-D74A/E, people remarked about the audio quality.
The TH-D74A/E has DSP processing before and after the vocoder. You can customize both mic audio and
receiver audio with the built in graphic equalizers.
Now we have the new KENWOOD TH-D75A/E with many new features improving upon its predecessor,
the TH-D74A/E.
My advice to the first-time user of the TH-D75A/E is to learn a few features at a time. You can get
overwhelmed with this feature rich handheld transceiver (HT). Please check out some of my TH-D75A/E
instruction videos at https://www.youtube.com/user/w6gps. I have simple setup video instructions there.

3.2 Enjoy with D-STAR

You will have to get yourself registered first on the D-STAR network server. Go to
https://regist.dstargateway.org and register. The TH-D75A/E's DR mode for D-STAR means Digital
Repeater. It is a series of commands to tell the D-STAR network what to do from your radio.
Therefore, for me in Chattanooga, State of Tennessee (TN) in USA, to get to my repeater, I would hold
down the bottom key on the multi-scroll key [▲] for 2 seconds to use the “Repeater Select” menu, so
I can locate Chattanooga [W4PL B] module.

12
 3 ENJOYING D-STAR (BY DON ARNOLD, W6GPS)

When I select this, the frequency (443.15 MHz) is selected along with the repeater name "Chattanooga".
So, I am getting ready to tell the [W4PL B] module what to do. I hold in the multi-scroll key [▼] for 2 seconds and I
get a list on the "Destination Select" Menu. If I want a local CQ (only Chattanooga Area), I select the "Local CQ", and
talk to local Chattanooga. This would be output to the [W4PL B] module and I would be transmitting to the
local area.
The "Gateway CQ" in the "Destination Select" Menu would mean I wanted my signal sent to another
repeater like [K6VO C] module. This way I can talk to my California friends.
Another option is I can input a call sign for the "Individual" (callsign routing) in the "Destination Select"
Menu. Both of these transmissions are possible, but not 100 percent dependable.

Gateway CQ Individual Call

The best way to get on the D-STAR is to use the "Reflector" menus. If your local repeater allows it, you
can transmit to the repeater a command to link to a reflector.
For example: to link to reflector REF030C, you would select link to a reflector, press [ENT], and use the
[ENC] (Encoder) knob and dial in "REF030CL" and press [PTT] for about 1 second. This command is sent
to the D-STAR network and your repeater is linked to the reflector 30C. You should get a response from
the repeater "linked to 030C".

Setting the reflector's number/module Response from the repeater

Once you confirm this, you have to go back into the "Reflector" Menu and select "Use Reflector". A
command of "CQCQCQ" will be sent and you can talk on 30C. When your QSO is finished, it is good
practice to unlink from the reflector, so go back and select "Unlink Reflector" to use the unlink command
"_______U".

13
3 ENJOYING D-STAR (BY DON ARNOLD, W6GPS)

3.3 D-STAR Reflector Operation

Therefore, here is the simple sequence: Select your repeater and listen. If you want to link the repeater to
a reflector then input the reflector name, press [PTT] for about 1 second. Listen for acknowledgement, and
then select "Use Reflector".
Sound easy? I hope so. DR mode is the simplest and most efficient way to change radio commands.
It gets even better if you get your own repeater! You mean I need to put-up a tower and antenna?
No, I am referring to the Access Point, also known as Hotspot. People use the term Hotspot referring to
a small low power device connected to a wired internet connection or mobile Hotspot Wi-Fi over a mobile
cellular network, I have both. These hotspots can be wired or wireless over a Wi-Fi network. It is self-
contained, low power, and simple D-STAR enabled device that is very easy to use. It receives a
transmission from your TH-D75A/E converts it to a data packet and sends it to a D-STAR server sending it
to repeaters, and reflectors.
Therefore, in simple terms I program the openSPOT with VoIP communications and a simplex frequency
according to Amateur band recommendations for low power simplex operations. With this, I can talk to my
low power Access Point and tell it what reflectors to go to. I love reflectors as they have more people
operating and you can have nice QSOs. If you have to move your QSO, you can tell the Access Point or
hotspot to go to another reflector by selecting a new reflector via input using the [ENC] (Encoder) knob.
This way you can have more control of your reflectors instead tying up a local repeater.
Now I have saved the best for last, mobile Access Point or mobile Hotspot. I use the SharkRF
openSPOT4 Pro. So what is the coolness of this system? I can work coast to coast on low power in my
car. In fact, I can work the world from my HT (Handheld Transceiver) in the car or from a hotel room with
this simple setup. As long as I have mobile cellular service, I can have access to the world of the D-STAR
network.

SharkRF openSPOT4 Pro Elite 3.5 LCD ZUMspot

I know it is hard to visualize this, but go to my videos at https://www.youtube.com/user/w6gps, there you
can see all this in action.

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 3 ENJOYING D-STAR (BY DON ARNOLD, W6GPS)

3.4 Reflector Terminal Mode

NOW the most impressive feature of the TH-D75A/E is called Reflector Terminal Mode. You don’t need a
hotspot or access point to use the Reflector Terminal Mode. To use Reflector Terminal Mode, you will
need an Android phone or Android tablet, a free download from Google Play, called Blue DV Connect.
Install the application on your Android Device pair the device to your TH-D75A/E. Put your radio in
Reflector Terminal Mode. Make sure you have Internet access on your Android device and you’re ready to
go. The RF section of the TH-D75A/E is turned off, all voice and UR CALL fields information is transmitted
via Bluetooth back and forth to the radio. You can access reflectors as you do with a repeater or hotspot
(access point). If you’re using an Android phone with internet access, you just slip your phone in your
pocket and control everything on the radio.
Another option is to use a Windows PC and BlueDV for Windows to use Reflector Terminal Mode.
Download the application from https://www.pa7lim.nl/bluedv-windows/, pair the radio with Bluetooth or
connect with a USB Type-C cable and setup BlueDV for Windows. Put your TH-D75A/E in Reflector
Terminal Mode. Now you can connect to the desired REF/XRF/DCS/XLX either from the application or
from the radio. If you used Bluetooth for your connection, you are untethered and free to roam with your
radio.
Please refer to the section 4.5 "Reflector Terminal Mode" for detailed instructions on how to set up BlueDV
Connect and BlueDV for Windows.
With further optimization of the internal microphone's audio conductive structure, the modulation circuit,
DSP processing, and AMBE vocoder parameters, you will have great audio reports characterized as the
"KENWOOD sound", via network as previously described, or via radio wave.
In all my 40 years as a ham, I have not had even more excitement than using the KENWOOD TH-D74A/E
and TH-D75A/E on the D-STAR network. I have met many new hams worldwide without enduring SSB
noise. For you veteran D-STAR users try not to overly complicate things, it is easy with the TH-D75A/E.
For my new D-STAR KENWOOD's TH-D75A/E users, take your time and get on the air. While you are
waiting for verification and registration on the D-STAR radio, get familiar with the many different features
of the TH-D75A/E. If you are an owner of the TH-D74A/E, TH-D72A/E or TH-F6A/F7E this radio will be
very familiar.
73’s
Don Arnold
W6GPS

15
4 D-STAR

4 D-STAR
4.1 Basic Operation

4.1.1 Callsign Registration for Using Internet Gateway D-STAR Repeaters

To access Internet gateway D-STAR repeaters, you must register your callsign.
Visit https://regist.dstargateway.org for using repeaters connected to the US Trust server.
For systems other than US Trust, please refer to online resources for details.

4.1.2 Start with Configuring "My Callsign"

To enable transmission via D-STAR, you first need to configure "My Callsign".
Note:
• Transmission in DV/DR mode is not possible until your configuration is complete.

Access Menu No. 610.

Up to 6 Callsigns can be registered.
Select the number you wish to register and press [A/B] (Edit).
Enter your callsign.
You can register a callsign with up to 8 characters.
After a slash (/), you may add any memo (such as the transceiver model name, operating location, etc.) of
up to 4 characters.

Press [ENT].
Your callsign is now registered.

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 4 D-STAR

4.2 D-STAR Communication

4.2.1 Difference between DV and DR Modes

DV mode is used for simplex communication, where two transceivers communicate directly with each
other without using a repeater. DR mode is for communication via a repeater. For repeater lists that are
preset or edited in advance, it is possible for you to select and communicate in DR mode. You can toggle
between DV and DR modes from the Digital Function Menu.

4.2.2 Using the Digital Function Menu

1. Press [MODE] to switch to DR mode.
2. Press [F], [MODE] (DIGITAL) in sequence to display the Digital Function Menu.
3. Select "DV/DR Select" and press [A/B] (OK) to toggle between DV and DR modes.

DR Mode DV Mode

4.2.3 Carrying out Simplex Communication

<K Type> <E Type>

1. Configure the frequency using [▲]/[▼], or [ENC] (Encoder) knob.
2. Press [MODE] to switch to DR mode.
If your TH-D75A/E is in DV mode, switch to DR mode in the Digital Function Menu.
3. In the Digital Function Menu, select "Destination Select".
The Destination Select screen will appear.
4. Select "Local CQ" and press [ENT].
"TO" (destination display area) is now configured as "CQCQCQ".
5. Press [PTT] to start transmission.

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4 D-STAR

4.3 Communication Using a Repeater

4.3.1 Local CQ
The Local CQ is a method of communication that utilizes a single D-STAR repeater. It is similar to the
conventional method of communication using FM repeaters. By configuring "TO" as "Local CQ" while in
a state where radio signals are able to reach the access repeater selected in "FROM" (access repeater
display area), a local CQ can be configured by pressing [PTT].

4.3.1.1 Configuring the access repeater ("FROM")

1. Press [MODE] to switch to DR mode.
If your TH-D75A/E is in DV mode, switch to DR mode using the Digital Function Menu.
2. Press and hold [▼].
The Repeater Select screen appears.
3. Select "Repeater List" and press [ENT].
The World Region / Country & Region / Group Select screen appears.
4. Select the regional group where you are located, and press [ENT] to display the Repeater List.
5. Select a nearby repeater based on callsign, name, or location information, such as state or prefecture.
Pressing [►] displays the detailed information of the selected repeater.
Pressing [ENT] configures "FROM" to the selected repeater.

4.3.1.2 Configuring the Local CQ (“TO”)

1. Press and hold [▲], and the Destination Select screen appears.
2. Select "Local CQ" and press [ENT]. "TO" is now configured as "CQCQCQ".

4.3.1.3 Checking whether radio signals reach the repeater (kerchunk)

1. Press [PTT] for about 1 second and transmit.
2. Check the response.
When a response is received from the repeater within 3 seconds and the icon appears on the
interrupt (pop-up) screen, it signifies that your signal has been properly transmitted and has reached the
repeater. If Menu No. 644 (Callsign Announce) is set to "Kerchunk" or "All", the TH-D75A/E announces
"Operational" when the icon appears. However, if another station accesses the repeater within this
timeframe, an interrupt screen showing the response will not appear.
3. Press [PTT] to start transmission and make calls, such as a CQ call.

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 4 D-STAR

4.3.2 DR Scan
This function scans the stations in the repeater list or hotspot list in DR mode.
1. In DR mode, press and hold [VFO] (or select “DR Scan” in the Digital Function Menu) to access the
following DR Scan screen.

2. Select an item and press [VFO], [ENT], or [A/B] (OK) to begin scanning.
The icon representing the access repeater, along with the MHz dot, will flash as the scan progresses
through the repeater numbers in ascending order, starting from the last used repeater. To change the
scan direction, use [▲]/[▼], or [ENC] (Encoder) knob.
3. To stop the scan, press [ENT].

4.3.3 Gateway CQ
By configuring "TO" to the repeater of the area you wish to communicate with and then pressing [PTT],
you can establish communication with stations that have access to the repeaters of that area.
The access repeater configured in "FROM" is connected via the Internet to the area repeater configured
in "TO", thus enabling calls to be made to an area where radio signals cannot be received directly.
Like the Local CQ, configure "FROM" as the repeater that is directly accessible, and then configure "TO"
for the target according to the steps below.
1. Press and hold [▲] to access the Destination Select screen.
2. Select "Gateway CQ" and press [ENT] to access the World Region / Country & Region / Group Select
screen.
3. Select the regional group that corresponds to the repeater you wish to connect to and press [ENT]. The
Repeater List appears.
4. Select the repeater you wish to connect to. Optionally, press [►] to display detailed information about
the selected repeater before finalizing your choice. Press [ENT] to configure "TO" to the selected
repeater.
5. After configuring "TO" to the selected repeater, it's essential to check the connection to the area
repeater. Perform a "kerchunk" like the Local CQ to verify that a connection can be established. This
ensures that your radio signals are properly reaching the repeater you are attempting to access.

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4 D-STAR

4.3.4 Response to Gateway Communication

When you receive an incoming call in DR mode, whether it's a Gateway CQ or Individual Call, you can
respond to the calling station by setting the calling station's callsign in the "TO" field.

4.3.4.1 Manual configuration

1. After the calling station completes transmission, press and hold [ENT] to access the Call History Select
screen.
2. On the Call History Select screen, select the callsign of the calling station and press [ENT].
3. This action sets the calling station’s callsign in "TO", and the gateway communication route will be
selected automatically. You can then respond by pressing [PTT].

4.3.4.2 Automatic configuration (Direct Reply function)

On the TH-D75A/E, after the calling station completes transmission and the reception interrupt screen is
displayed, the device automatically sets the calling station’s callsign in "TO", and the gateway
communication route will be selected automatically.
You can then immediately respond only by pressing [PTT].

The Direct Reply icon appears on the interrupt screen as shown below when Direct Reply is active,
indicating that pressing [PTT] will initiate an automatic callback without any manual configuration settings.

When APRS and D-STAR are operated simultaneously, and D-STAR is on the active band, the Direct
Reply function becomes available. When the Direct Reply is active, the callsign of the incoming D-STAR
call is displayed above the APRS indication area, marked with the Direct Reply icon as shown below.

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 4 D-STAR

4.4 Configuration for Reflector Communication

4.4.1 What is a Reflector?
A reflector is an Internet-connected server that mirrors and forwards audio packets to connected devices,
acting like a reflective surface and serving as a virtual meeting space.
Devices with the necessary connectivity software installed, such as D-STAR repeaters and hotspots, can
connect to a reflector, enabling seamless communication with distant stations.
REF, XRF, DCS, and XLX represent different types of D-STAR reflectors.

REF (Dplus protocol): Developed by Mr. Robin Cutshaw, AA4RC.

The first type of D-STAR reflector introduced, still widely used by many D-STAR repeaters.

XRF (DExtra protocol): Developed by Mr. Scott Lawson, KI4KLF.

Provides more features and flexibility than REF reflectors, marking it as the second type of D-STAR
reflector.

DCS (DCS protocol): Developed by Mr. Torsten Schultze, DG1HT.

Also provides the extended features found in XRF reflectors. After the original administrators resigned, the
DCS system is now managed by several radio amateurs.

XLX (Multiprotocol): Developed by Mr. Luc Engelmann, LX1IQ, and Mr. Jean-Luc Deltombe, LX3JL.
The newest and most flexible type of D-STAR reflector, XLX is a multiprotocol gateway reflector that
supports all protocols of DPlus (REF), DExtra (XRF), and DCS, extending its compatibility beyond D-
STAR to other digital modes. XLX's high customizability and multifunctionality have made it popular
worldwide.
Please refer to online resources for more details.

4.4.2 Reflector Menu on the TH-D75A/E

To access D-STAR reflectors, please use the reflector commands found in the Reflector Menu as follows.
1. In DR mode, press and hold [▲].
The Destination Selection screen appears.
This screen also appears when selecting "Destination Select" in the Digital Function Menu.
2. Select "Reflector" and press [ENT].
The following Reflector Menu Select screen appears.

3. Select the following items and press [ENT].

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4 D-STAR

[Use Reflector]: If the repeater or hotspot is currently linked to a reflector, select "Use Reflector" and
press [ENT].
"CQCQCQ" is set to "TO". Then press [PTT] to transmit your digital voice signal to the reflector.

[Link to Reflector]: If you wish to link the repeater or hotspot to a reflector, or if you intend to change to
another reflector, select "Link to Reflector" and press [ENT]. Input the reflector's type
(REF/XRF/DCS/XLX), number (000 to ZZZ) and module (A to Z), and press [ENT].
A link command (example: "REF030CL") is set to "TO". Then press [PTT] to link the repeater to the
reflector.
To conduct a QSO, the reflector type, number, and module must all correspond, unless they are
interconnected.
Up to 5 reflectors you linked before are shown when you select "Link to Reflector" again.

[Unlink Reflector]: If you wish to link the repeater or hotspot to another reflector, be sure to unlink
currently linked reflector.
Select "Unlink Reflector" and press [ENT].
"_______U" is set to "TO". Then press [PTT] to unlink the repeater from the reflector.

[Echo Test]: You can verify how well your digital voice signal is getting into the system.
Select "Echo Test" and press [ENT].
"_______E" is set to "TO". Then press [PTT] to transmit your digital voice signal to the system. After
releasing [PTT], echo back will be sent back from the repeater.

[Reflector Info.]: You can send the reflector information command to check the current connection status.
Select "Reflector Info" and press [ENT].
"_______I" is set to "TO". Then press [PTT] to transmit the reflector information command.

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 4 D-STAR

4.5 Reflector Terminal Mode

The TH-D75A/E is compliant with MMDVM (Multi-Mode Digital Voice Modem) serial commands, serving
as an MMDVM modem device. It offers Reflector Terminal Mode, which facilitates easy access to D-STAR
reflectors via a Windows PC or Android device. This easy access is made possible through USB or Bluetooth
connections using third-party applications, eliminating the need for additional devices such as hotspots.

In the sections below, you'll find examples of basic settings for the TH-D75A/E in Reflector Terminal
Mode. These settings utilize the globally popular third-party applications "BlueDV Connect" and "BlueDV
for Windows, " developed by Mr. David Grootendorst, PA7LIM.
Please note that the instructions in the sections below are based on the information available at the time of
editing this manual. Settings may be changed or added due to application updates. To stay updated,
please look up the latest information online.

4.5.1 Reflector Communication using BlueDV Connect

[Setting Up TH-D75A/E]
After full reset, set up your TH-D75A/E following these steps.
Set Menu No.985 (DV Gateway) to "Bluetooth". This configuration allows the use of the BlueDV Connect
application over a Bluetooth connection.

Set Menu No.930 (Bluetooth) to "On".

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4 D-STAR

Set Menu No.936 (Auto Connect) to "Off".

Press [MODE] (Back) to return to the frequency display, the Bluetooth icon should appear in standby
mode (grey) as follows.

Set Menu No.650 (DV Gateway Mode) to "Reflector TERM Mode".

In Menu No.651 (My Callsign for DV Gateway Mode), press [A/B] (Edit) to input your callsign for
Reflector Terminal Mode.

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 4 D-STAR

Press [MENU] again to return to the frequency display, where the Band A will be in Reflector Terminal
Mode, indicated by "TERM" in green at the top right.

Note:
• The setting in Menu No.610 (My Callsign for DV/DR Mode) applies to DV/DR mode operations and is
not relevant for Reflector Terminal Mode.
• Reflector Terminal Mode is only available on the Band A side. You cannot activate Reflector Terminal
Mode when operating in Single Band mode on the Band B side.

[Pairing TH-D75A/E with an Android Device via Bluetooth]

Follow these steps to pair your devices correctly:
On your Android device, tap the [Settings] icon and ensure Bluetooth is turned on. If off, tap to activate it
and select "Pair new device" if prompted.

On the TH-D75A/E, select Menu No.934 (Pairing Mode) and press [A/B] (OK). The device will enter
pairing mode and start a 60-second countdown.

25
4 D-STAR

Once "TH-D75" appears under "Available devices" on your Android device, tap to select it.

A passkey will be displayed on both the TH-D75A/E and the Android device's screens.

Press [A/B] (OK) on the TH-D75A/E first, followed by selecting "Pair" on the Android device.

Once "Pairing is completed" appears on the TH-D75A/E as follows, press [A/B] (OK) again to finish the
process.

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 4 D-STAR

[Setting Up BlueDV Connect]

Download and install BlueDV Connect from Google Play on your Android device.
Launch the application by tapping the BlueDV Connect icon on the home screen. The following
application main screen will appear.

• Tap the wrench icon in the middle left of the screen, and configure as shown (leave other settings at
default):

• Set your callsign. (The default identification code "D" can remain unchanged unless a change is
needed.)
• Ensure the device name is set to "TH-D75". (If other Bluetooth devices are listed, select "TH-D75" from the
dropdown list.)
• Tap [Save] and then the eye icon in the top left to return to the home screen.
• Enable "Invert RX/TX" and "APRS" if necessary.

Note:
• If the TH-D75A/E and Android device are not paired, "TH-D75" will not appear in the dropdown list.
• "Frequency" is for controlling Bluetooth-enabled hotspot devices and does not affect Reflector Terminal
Mode operations on the TH-D75A/E.
• "Invert RX/TX" reverses the background colors for RX and TX.
• "APRS" feeds the APRS sentence positional information to the Internet via the application. You also
need to ensure Menu No.630 (GPS Info. in Frame) is set to "On" and in Menu No.631 (Sentence),
select "APRS Sentence". Please refer to the USER MANUAL for details.

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4 D-STAR

In the app main screen, tap the [OFF/ON] button at the top right. When turned on, the button will change
from red to green.

The TH-D75A/E will display "Connected Bluetooth Device," and the Bluetooth icon will change from grey
(standby) to blue (connected).

[QSO via a D-STAR Reflector]

You can link to and unlink from reflectors using the TH-D75A/E's reflector commands, as detailed in
Section "4.4.2 Reflector Menu on the TH-D75A/E" of this manual.
Press and hold [▲] on the TH-D75A/E to select [Destination Select] - [Reflector] - [Link to Reflector] and
set the desired reflector, such as "REF030C".

Press [A/B] (OK) or [ENT] to return to the frequency screen with the link command set as the destination.

Press [PTT] to send the link command to the reflector.

Note:
• Hold [PTT] for about 1 second to ensure the command is transmitted properly.

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 4 D-STAR

Alternatively, you can select a reflector type, reflector number and module, and tap [Connect] on the
application’s main screen to establish the connection.

Once connected, the reflector status will change from red (Not linked) to green (Linked) on the application,
as shown above.
When a link notification is received, an interrupt screen will appear on the TH-D75A/E.

To conduct a QSO, again press and hold [▲], select "Use Reflector" for the destination (CQCQCQ), and
return to the frequency screen.
When pressing [PTT], the application will display the status as shown below.

When receiving another station’s signal, the application will display the status as shown below.

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4 D-STAR

4.5.2 Reflector Communication using BlueDV for Windows

[Setting Up TH-D75A/E]
After full reset, set up your TH-D75A/E following these steps.
Set Menu No.650 (DV Gateway Mode) to "Reflector TERM Mode".

In Menu No.651 (My Callsign for DV Gateway Mode), press [A/B] (Edit) to input your callsign for Reflector
Terminal Mode.

Press [MENU] to return to the frequency display, where the Band A will be in Reflector Terminal Mode,
indicated by "TERM" in green at the top right.

Note:
• The setting in Menu No.610 (My Callsign for DV/DR Mode) applies to DV/DR mode operations and is
not relevant for Reflector Terminal Mode.
• Reflector Terminal Mode is only available on the Band A side. You cannot activate Reflector Terminal
Mode when operating in Single Band mode on the Band B side.

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 4 D-STAR

[Connecting TH-D75A/E with a PC]

To connect the TH-D75A/E to your PC via USB, install the virtual COM port driver. After installation, verify
the COM port number assigned to your TH-D75A/E, following the website's instructions. Download and
install the driver from the following website. This driver is compatible with both TH-D74A/E and TH-D75A/E.
https://www.kenwood.com/i/products/info/amateur/thd74_vcp_e.html

[Setting Up BlueDV for Windows]

Download the latest version of BlueDV for Windows from:
https://software.pa7lim.nl/BlueDV/BETA/Windows/
Choose the ZIP file with the most recent date. Download and extract the ZIP file, then install the
application by double-clicking the file within the extracted folder.
Launch the application by double-clicking the desktop icon. The application main window will
appear.
Then navigate to [Menu] → [Setup] to enter setup window, and configure as shown (leave other settings
at default):

• Set your callsign in the "Your Call" field.

• Specify the COM port number assigned for the TH-D75A/E.
• Check the "Enable DTR" checkbox.
• Leave "D" for the "DSTAR Module" pull-down list unless a change is needed.
• Click [Save] to close the setup window.

Note:
• If your Windows PC is paired with the TH-D75A/E via Bluetooth, set Menu No.985 (DV Gateway) to
"Bluetooth". For specifying the Bluetooth COM port number in Windows, go to "Settings" > "Bluetooth
& other devices", click "More Bluetooth options", and in the "Bluetooth Settings" pop-up, under the
"COM Ports" tab, select the COM port listed as "COMx Outgoing TH-D75 'Serial Port'.
• The vocoder programmed in the TH-D75A/E is compatible only with D-STAR and cannot operate with
other modes due to incompatibility.

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4 D-STAR

[QSO via a D-STAR Reflector]

In the main window, click [SERIAL] for a USB connection, and click [DSTAR] to access the D-STAR screen.
Then, select a reflector type, reflector number, and module, and click [Link] to establish the connection

Alternatively, you can link to and unlink from reflectors using the TH-D75A/E's reflector commands, as
detailed in Section "4.4.2 Reflector Menu on the TH-D75A/E" of this manual.
Press and hold [▲] on the TH-D75A/E to select [Destination Select] - [Reflector] - [Link to Reflector] and
set the desired reflector, such as "REF030C".

Press [A/B] (OK) or [ENT] to return to the frequency screen with the link command set as the destination.

Press [PTT] to send the link command to the reflector.

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 4 D-STAR

Once connected, the "DSTAR" - "Status" indication in the application's main window will change from
"Not linked" to "Linked to REF030C" or a similar status.
When a link notification is received, an interrupt screen will appear on the TH-D75A/E.

To conduct a QSO, again press and hold [▲], select "Use Reflector" for the destination (CQCQCQ), and
return to the frequency screen.
When pressing [PTT], the application receives data from the TH-D75A/E and displays the status as shown
below.

When receiving another station's signal, the application transmits data to the TH-D75A/E and displays the
status as shown below.

Note:
• These are the basic settings required to connect to reflectors using BlueDV Connect and BlueDV for
Windows. For additional settings, such as Menu No.611 (TX Message) or Menu No.630/631 (Sending
Positional Information), please refer to the USER MANUAL and adjust as necessary.

33
4 D-STAR

4.6 Hotspot List

4.6.1 About the Hotspot List
The TH-D75A/E supports simultaneous reception of D-STAR signals on both Band A and Band B. This
feature allows for the operation of D-STAR hotspots on Band B while using the Reflector Terminal Mode
on Band A. As a result, your existing hotspot devices can continue to be used with the TH-D75A/E.
To enhance your experience with hotspot devices, the TH-D75A/E introduces the Hotspot List. This
dedicated memory channel list for hotspots is separate from the Repeater List, and up to 30 hotspots can
be registered.
Furthermore, the Hotspot List, like the Repeater List, is not cleared even after a full reset.

4.6.2 Adding the Hotspot List

Initially, the Hotspot List is empty. You can add information for your hotspot.
1. Access Menu No. 230. The Hotspot Select screen will appear.

2. Press [MENU] to bring up the Hotspot List Menu screen.

3. Select "Add" and press [A/B] (OK).

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 4 D-STAR

4. Select the item to edit and press [ENT]. Then edit the items.

5. After editing the item, press [ENT] to return to the Hotspot List Edit screen.

6. Make your edits and press [A/B] (Write) to finalize.

7. Press [MODE] (Back) to confirm that the hotspot information is registered.

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4 D-STAR

Note:
• Configure the "Callsign (RPT1)" and "Gateway (RPT2)" in the Hotspot List as "W6DJY B" and "W6DJY G" (for
example, according to the hotspot's callsign), or as both "DIRECT". Follow the recommended settings for the
hotspot device.

4.6.3 Sorting the Hotspot List

1. On the Hotspot Select screen, select the hotspot you wish to move.

2. Press [MENU] to display the Hotspot List Menu screen.

3. Select "Move" and press [A/B] (OK).

4. Choose the destination and press [A/B] (OK). To move to the end of the list, select "<Move to End>"
and press [A/B] (OK).

36
 4 D-STAR

4.6.4 Editing the Hotspot List

1. Select the hotspot to edit on the Hotspot Select screen.

2. Press [MENU]. The Hotspot List Menu screen will appear.

3. Select "Edit" and press [A/B] (OK). The Hotspot List Edit screen will appear.

4. Select an item and press [ENT]. You'll see the editing screen for the selected.
5. Make your edits and press [A/B] (Write) to finalize.
6. Press [MODE] (Back) to return to the Hotspot Select screen.

4.6.5 Clearing the Hotspot List

1. Choose the hotspot to clear on the Hotspot Select screen.
2. Press [MENU]. The Hotspot List Menu screen will appear.
3. Select "Clear" and press [ENT].
4. Press [A/B] (OK). The selected hotspot is deleted, and you will return to the Hotspot Select screen.

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4 D-STAR

4.7 How to Update the Repeater List

The repeater list can be imported into your TH-D75A/E by using MCP-D75 or a microSD card.
Please download the Repeater List file "KWD_yyyymmdd_E.tsv" ("yyyymmdd" represents the numerical
release date) from the following KENWOOD website in advance.
https://www.kenwood.com/i/products/info/amateur/software_download.html

4.7.1 By using MCP-D75

1. Connect the TH-D75A/E and the PC via a USB Type-C cable.
2. Launch the MCP-D75.
3. Read data from the TH-D75A/E.
4. Click [Repeater List], [Import Repeater List from File...], and click [OK]

5. Select the downloaded Repeater List file "KWD_yyyymmdd_E.tsv".

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 4 D-STAR

6. Click the radio button of "TH-D75A (K-type/U.S.A. and Canada)", or "TH-D75E (E-type/Europe)" and
click [OK].

7. The D-STAR Repeater List which is mainly focused on North America or Europe will be imported to the
MCP-D75.
8. Write data back to the TH-D75A/E from the MCP-D75. Then the TH-D75A/E's Repeater List will be
updated.

4.7.2 By using a microSD card

1. Install a microSD card to the TH-D75A/E.
2. Access the TH-D75A/E's Menu No.980 (USB function) and set the transceiver to Mass Storage mode.
3. Connect the TH-D75A/E and the PC via a USB Type-C cable.
4. Copy the downloaded Repeater List file "KWD_yyyymmdd_E.tsv" to the microSD card folder
[KENWOOD]-[TH-D75]-[SETTINGS]-[RPT_LIST].
5. Remove the TH-D75A/E from the PC.
6. Access Menu No. 812 (Import - Repeater List Only) and press [ENT].

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4 D-STAR

7. Select the copied Repeater List File and press [ENT].

8. Select "Data for TH-D75A" or "Data for TH-D75E" and press [ENT] or [A/B] (OK).

9. The Repeater List which is mainly focused on North America (when selected "Data for TH-D75A") or
Europe (when selected "Data for TH-D75E") will be imported from the microSD card to the TH-D75A/E.
10. Press [A/B] (OK) to restart the TH-D75A/E. Then the TH-D75A/E's Repeater List will be updated.

4.7.3 Voice Guidance Functionality with the Repeater List

The "Aux 1" and "Aux 2" columns in the repeater list file are utilized by the Voice Guidance function of the
TH-D75A/E to announce specific information.
On the Country & Region Select screen, the Voice Guidance will announce the strings in the "Aux 1" column,
which are three-letter alphabetical codes in compliance with ISO 3166-1 alpha-3.
(For example, it will announce "USA", or "GBR" for the United Kingdom.)
On the "Group Select" screen, the Voice Guidance will announce the strings in the "Aux 2" column, which
may be abbreviations for call areas or administrative districts.
(For example, it will announce "W1", or "NOR" for Northern England.)

Note:
• If no information is entered in the "Aux 1" and "Aux 2" columns, no announcement will be made.
• The TH-D74A/E models do not support the announcement of strings from the "Aux 1" and "Aux 2"
columns.

40
 5 SETTINGS & CONTROLS

5 SETTINGS & CONTROLS

5.1 USB Charging
The TH-D75A/E is capable of battery charging through its USB Type-C connector, enabling charging from
USB chargers or PCs.
The TH-D75A/E does not support USB PD (Power Delivery). Even if a USB PD compatible AC adapter is
used, the voltage supplied to the TH-D75A/E will always be 5V. Rapid charging through the USB
connector is not possible.
The rated voltage at the battery terminals of the TH-D75A/E is 7.4V, in contrast to the 5V provided from
the USB connector. Consequently, the TH-D75A/E incorporates a DC-DC converter to boost the 5V to the
necessary voltage for charging.
The current supply through the USB connector is controlled by the internal circuit of the TH-D75A/E, which
determines whether the maximum current supply is limited to 1.5A or 0.5A, based on the capacity of the
USB charger and the cable's compliance with the USB Type-C standard. When the maximum current
supply is limited to 1.5A, the charging time is approximately 5.5 hours, and when it is limited to 0.5A, the
charging time is approximately 13 hours.

Note:
• When charging through the USB connector, be sure to turn the power off. If the power is on, the battery
pack will not receive enough charging current.
• To avoid malfunction or abnormal heat generation, be sure to use an AC adapter with an output voltage
of 5V and a current of 2A or higher.
• Do not use a USB cable longer than 3m (9.8 feet).
• Charging through the USB connector is not guaranteed to work with all AC adapters or USB cables.
• The TH-D75A/E will not operate properly if DC power is supplied only through the USB connector.
Be sure to use the TH-D75A/E with the battery pack installed.
• Charging time using the supplied charger is approximately 3.5 hours. USB charging, which requires
more time, is recommended for auxiliary purposes.

5.1.1 Disabling Charging at Power On

The TH-D75A/E can be configured to disable battery charging when the power is turned on, while power is
being supplied via the DC IN cable or USB cable.
For instance, when a notebook PC is connected to the TH-D75A/E with a USB cable and the ARFC-D75 is
used, the battery consumption of the notebook PC can be reduced by setting the TH-D75A/E not to
charge its battery. (→ Menu No. 923)

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5 SETTINGS & CONTROLS

5.2 Extending the Battery Life

The TH-D75A/E is equipped with a wide variety of hardware features. You can minimize battery power
consumption by turning off unused features or adjusting settings.

5.2.1 Disable GPS

The built-in GPS receiver is enabled by default. The user may turn off the GPS if not needed.
(→ Menu No. 400)

Note:
• By default, the transceiver is shipped with the GPS enabled, which allows the transceiver to update the
clock via GPS signal.

5.2.2 Disable Bluetooth

To conserve power, turn off Bluetooth if it is not needed. (→ Menu No. 930)

5.2.3 Backlight Adjustment

The LCD and keypad backlight consume a great deal of power if left on all the time. Battery life may be
enhanced by using the following backlight adjustments.
• Set the Backlight Control to "Auto (DC-IN)" (default) or "Auto" to ensure the backlight turns on and off
automatically when the TH-D75A/E is running on battery power.
Once a panel key is pressed, the backlight turns on, and after the duration set in the "Backlight Timer"
elapses, the backlight turns off. (→ Menu No.900)
• Shorten the time interval configured in the Backlight Timer. (→ Menu No. 901)
• Reduce the brightness of the backlight (LCD Brightness). (→ Menu No. 902)
• Set the interrupt screen's auto backlight from "LCD+Key" (default) to "LCD" or "Off" for APRS and D-STAR
signal reception or when scanning is stopped. (→ Menu No. 907)

5.2.4 Utilize the Battery Saver feature

The Battery Saver feature turns the receiver circuit on and off intermittently when no signal is received and
no key is pressed for an interval of 5 seconds. The interval for the receiver circuit to remain off while in
Battery Saver mode may be adjusted in Menu. Setting the off time to a longer duration helps to conserve
battery power. However, note that the beginning of the received audio may be truncated if the off time is
too long. (→ Menu No. 920)

Note:
• When DV/DR mode is activated, the off duration of the receiver circuit will be automatically fixed at 200 ms.
• When APRS or KISS mode is activated, the Battery Saver feature is disabled.

5.2.5 Disable Busy LED Indicator

When a radio signal is received, the Busy indicator (green LED) lights up. Turning the "RX" setting in the
"LED Control" menu from on (default) to off will help to reduce battery consumption. (→ Menu No.181)

Note:
• Since FM broadcasts are continuously received, it is recommended that the "FM Radio" setting in Menu
No.181 be left disabled (default).

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 5 SETTINGS & CONTROLS

5.2.6 Enable Single Band Mode

Enable Single Band mode when there is no need to operate two bands simultaneously.
(→ [F], [A/B] (DUAL))

5.2.7 Adjust Volume Balance

When the transceiver is running in APRS or KISS mode, adjust the volume of the band used in the mode.
(→ Menu No. 910)

5.2.8 Utilize Auto Power Off

The Auto Power Off feature prevents the battery power from draining when the power of the transceiver is
left on accidentally. In the factory setting, the power of the transceiver is turned off automatically when
there is no key operation for an interval of 30 minutes. (→ Menu No. 921)

5.3 Silent APRS and Packet Communications (Voice Alert)

The TH-D75A/E is capable of receiving radio signals of two different frequencies at the same time. For
example, if Band A is used for APRS communication and Band B for voice communication, data bursts
sound may be emitted when receiving packets for Band A.

5.3.1 Volume Balance

The TH-D75A/E has only one volume control, but it is equipped with a function for adjusting the balance
between the volume of Band A and Band B. (→ Menu No. 910)

5.3.2 Voice Alert

The Voice Alert feature utilizes CTCSS. The CTCSS frequency used for Voice Alert is referred to as the
voice alert frequency. Audio comes from the speaker only when received signals with the matching
CTCSS coincide with the voice alert frequency.
For example, if Band A is used for APRS communication and Band B for voice communication, data burst
sounds may be emitted when receiving packets on Band A.
First of all, the speaker sound is muted when both users turn on the Voice Alert feature. Next, when APRS
beacon is turned on and both users move away from each other, the sound received from the beacon is
from the speaker when both users move to a distance where signals can be received directly. In other
words, when the sound received from the beacon is heard, this means a voice call can been established.

5.4 Screen Capture of Transceiver Display

5.4.1 Screen Capture

The TH-D75A/E features a Screen Capture option similar to what is commonly available on smartphones.
By assigning the Screen Capture function to any key on the optional SMC-34 Speaker Microphone, which
includes Programmable Function Keys and Volume Control, users can take screenshots by pressing a
programmed key (PF1/PF2/PF3). This action saves the image directly to the microSD card.
(→ Menu No. 942/ 943/ 944)
Screenshots are saved as 24-bit color bitmap images with a resolution of 240x180 pixels and a file size of
128 KB to the following folder on the microSD card.
[KENWOOD]-[TH-D75]-[CAPTURE]

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5 SETTINGS & CONTROLS

5.5 Viewing microSD Card Contents on a PC

5.5.1 USB Mass Storage feature

Activating the mass storage feature involves configuring the USB function of the TH-D75A/E to "Mass
Storage". (→Menu No. 980).
Configuring the USB Function to "Mass Storage" and connecting the transceiver to the PC via a USB
Type-C cable completes the setup.

Note:
• The USB Mass Storage feature of the TH-D75A/E is supported only on Microsoft Windows systems. On other
operating systems, the device may not be recognized or the file size may not display correctly.

5.6 Beep and Voice Guidance

The TH-D75A/E significantly enhances the voice guidance feature. Whereas the TH-D74A/E offered
approximately 180 phrases, the TH-D75A/E provides more than 770 phrases.
Additionally, the TH-D75A/E supports 4 levels of speed variability.
Regarding playback volume, the VOL link can be selected in addition to the 1-7 levels, similar to the TH-D74A/E.

5.6.1 Beep Volume

By default, the beep volume changes in conjunction with the [VOL] knob. It can also be set independently.
(→ Menu No.915)

5.6.2 Voice Guidance Volume

By default, the voice guidance changes in conjunction with the [VOL] knob. It can also be set
independently. (→ Menu No.917)

5.6.3 Voice Guidance Speed

Allows the reading speed of voice guidance to be varied across 4 levels, up to a maximum of 1.45 times
faster. (→ Menu No.918)

5.6.4 Callsign Readout Method

This is another new feature of the TH-D75A/E. The TH-D75A/E specifies how to pronounce the alphabetic
characters (A-Z) in the callsign.
[Standard]: All are read out as the alphabet is.
[Phonetics (Full)]: All are read out in phonetic code.
[Phonetics (Suffix)]: Only the suffix is read out in phonetic code. (→ Menu No.919)

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 5 SETTINGS & CONTROLS

5.7 Adjustment of RX Audio Quality

Different users have different sound quality preferences. The TH-D75A/E features an Audio Equalizer that
allows for sound quality adjustments according to individual preference.

5.7.1 DSP audio sound processing

The DSP (digital signal processor) on the TH-D75A/E ensures proper processing of all transceiver audio
signals. In analog FM mode, audio signals are temporarily converted to digital signals by an A/D converter.
After sound processing within the DSP, the signals are restored to analog form by a D/A converter and
output from the speaker.

5.7.2 RX Equalizer
The RX Equalizer feature is enabled through the DSP's processing of all received audio signals as
described above. The audio frequency band of the RX Equalizer is divided into 5 different bands, each of
which can be adjusted within the range of -9 dB to +9 dB. User can therefore adjust the frequency
properties of the audio signal to their preference. (→ Menu No. 913)
The equalizer can be set to ON or OFF. (→ Menu No. 911)

Frequency Band [kHz] Variable Range [dB]

0.4 -9 ～ ±0 ～ +9
0.8 -9 ～ ±0 ～ +9
1.6 -9 ～ ±0 ～ +9
3.2 -9 ～ ±0 ～ +9
6.4 -9 ～ ±0 ～ +9

5.8 Adjustment of TX Audio Quality

Similar to the RX audio, the TX audio input from the microphone is processed by the DSP as well,
enabling adjustment using the TX Equalizer.

5.8.1 TX Equalizer
The audio frequency band of the TX Equalizer is divided into 4 different bands, each adjustable within a range
of -9 dB to +3 dB. (→ Menu No. 912)
Users can choose whether to apply the preset equalizer properties to analog FM, digital (D-STAR) or both.
(→ Menu No. 911)

Frequency Band [kHz] Variable Range [dB]

0.4 -9 ～ ±0 ～ +3
0.8 -9 ～ ±0 ～ +3
1.6 -9 ～ ±0 ～ +3
3.2 -9 ～ ±0 ～ +3

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5 SETTINGS & CONTROLS

5.9 Wide-band and Multi-mode Reception

The TH-D75A/E is capable of wide-band reception from 0.1 MHz to 523.995 MHz on Band B. Band A is
specifically designed for amateur band operation at 144 MHz, 430 MHz, and 220 MHz (TH-D75A only).

5.9.1 Receiving Frequency Range & Demodulation Mode for each model
Step [kHz] and Demodulation mode in the tables below are default values.

[TH-D75A]
Operating Demodulation
Frequency Band Frequency Range [MHz] Step [kHz]
Band Mode
144 MHz 136 ～ 174 5 FM
Band A 220 MHz 216 ～ 260 20 FM
430 MHz 410 ～ 470 25 FM
0.1 ～ 0.520 5
LF/ MF AM
0.520 ～ 1.710 10
1.710 ～ 3.5 0.1 CW
3.5 ～ 4.0 (FINE Mode ON)* LSB
4.0 ～ 7.0 AM
7.0 ～ 7.3 LSB
7.3 ～ 10.1 AM
10.1 ～ 10.15 CW
10.15 ～ 14.0 AM
14.0 ～ 14.35 USB
HF
14.35 ～ 18.068 AM
18.068 ～ 18.168 USB
18.168 ～ 21.0 AM
21.0 ～ 21.45 USB
21.45 ～ 24.89 AM
24.89 ～ 24.99 USB
Band B 24.99 ～ 28.0 AM
28.0 ～ 29.7 USB
29.7 ～ 51 25
50 MHz 51 ～ 54 10 FM
54 ～ 76 5
FM Radio 76 ～ 108 100 WFM
118 MHz 108 ～ 136 12.5 AM
136 ～ 144
144 MHz 144 ～ 148 5 FM
148 ～ 174
VHF 174 ～ 216 50 FM
216 ～ 220 12.5 AM
220 & 300 MHz 220 ～ 225 20 AM
225 ～ 410 12.5 AM
410 ～ 420 12.5
430 MHz 420 ～ 450 25 FM
450 ～ 470 12.5
UHF 470 ～ 524 50 FM
The transmission frequency ranges are:
144.000 to 147.995 MHz, 222.000 to 224.995 MHz, and 430.000 to 449.995 MHz.

* In the HF band, FINE Mode is enabled by default and cannot be directly switched to FM mode. To
switch to FM mode in the HF band, press [F], [MHz] (Fine) to turn off FINE Mode.

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 5 SETTINGS & CONTROLS

[TH-D75E]
Operating Demodulation
Frequency Band Frequency Range [MHz] Step [kHz]
Band Mode
144 MHz 136 ～ 174 12.5 FM
Band A
430 MHz 410 ～ 470 25 FM
0.1 ～ 0.520 5
LF/ MF AM
0.520 ～ 1.710 9
1.710 ～ 3.5 0.1 CW
3.5 ～ 4.0 (FINE Mode ON)* LSB
4.0 ～ 7.0 AM
7.0 ～ 7.3 LSB
7.3 ～ 10.1 AM
10.1 ～ 10.15 CW
10.15 ～ 14.0 AM
14.0 ～ 14.35 USB
HF
14.35 ～ 18.068 AM
18.068 ～ 18.168 USB
18.168 ～ 21.0 AM
21.0 ～ 21.45 USB
21.45 ～ 24.89 AM
Band B 24.89 ～ 24.99 USB
24.99 ～ 28.0 AM
28.0 ～ 29.7 USB
29.7 ～ 51 5
50 MHz 51 ～ 54 10 FM
54 ～ 76 5
FM Radio 76 ～ 108 50 WFM
118 MHz 108 ～ 136 12.5 AM
136 ～ 144 5
144 MHz 144 ～ 146 12.5 FM
146 ～ 174 5
VHF 174 ～ 230 50 FM
220 & 300 MHz 230 ～ 410 12.5 AM
410 ～ 430 12.5
430 MHz 430 ～ 440 25 FM
440 ～ 470 12.5
UHF 470 ～ 524 50 FM
The transmission frequency ranges are:
144.000 to 145.995 MHz, and 430.000 to 439.995 MHz.

* In the HF band, FINE Mode is enabled by default and cannot be directly switched to FM mode. To
switch to FM mode in the HF band, press [F], [MHz] (Fine) to turn off FINE Mode.

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5 SETTINGS & CONTROLS

5.10 Mode
In the SSB, CW, and AM modes, the 10.8 kHz IF signal, obtained after the 3rd mixer, is fed into the DSP
and the IF filter. This signal is then processed digitally for detection. The design of the IF filter and the
detection process are adapted for handheld transceivers, drawing on the design of our HF transceivers.

5.10.1 SSB
In SSB mode (LSB, USB), the high-cut frequency can be adjusted in the receiving filter configuration.
A high-cut frequency can be selected from 2.2 kHz/ 2.4 kHz/ 2.6 kHz/ 2.8 kHz/ 3.0 kHz. The low-cut
frequency is fixed at 200 Hz. Changing the high-cut frequency switches in the IF band pass filter (BPF).
For example, if the high-cut frequency is configured to 2.4 kHz, the passband of the IF filter becomes
2.2 kHz. (→ Menu No. 120)

5.10.2 CW
In CW mode, the passband (Band Width) can be adjusted in the receiving filter configuration. The
passband can be selected from 0.3 kHz/ 0.5 kHz/ 1.0 kHz/ 1.5 kHz/ 2.0 kHz. Changing the passband
switches the IF filter (BPF). (→ Menu No. 121)
In addition to the receiving filter, configurations include pitch frequency and CW reverse settings. Pitch
frequency refers to the frequency for playing back the Morse signals received as demodulated audio
signals when the carrier coincides exactly with the receiving frequency.
A pitch frequency can be selected from 400 Hz/ 500 Hz/ 600 Hz/ 700 Hz/ 800 Hz/ 900 Hz/ 1000 Hz.
(→ Menu No. 170)
CW reverse is a configuration for determining whether to carry out detection in CW mode as LSB or USB.
CW reverse can be selected from Normal / Reverse. USB is chosen the Normal mode and LSB in
Reverse mode. (→ Menu No. 171)

5.10.3 AM
In AM mode, the high-cut frequency can be adjusted in the receiving filter configuration. A high-cut
frequency can be selected from 3.0 kHz/ 4.5 kHz/ 6.0 kHz/ 7.5 kHz.
The low-cut frequency is fixed at 200 Hz. Changing the high-cut frequency switches the IF filter (BPF). The
passband of the IF filter in AM mode is double that of the high-cut frequency.
For example, when the high-cut frequency is configured to 4.5 kHz, the passband of the IF filter becomes
9 kHz. (→ Menu No. 122)

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 5 SETTINGS & CONTROLS

5.10.4 Single Band Display

The TH-D75A/E allows for the selection of not only date and GPS information but also demodulation mode
to be displayed during Single Band mode (→ Menu No. 904)

5.10.5 IF Signal and Detection Signal Output

The TH-D75A/E can output IF signals through the USB connector while monitoring the receiving audio in
SSB, CW, and AM modes. By using third-party PC applications, it is possible to watch the state of nearby
frequencies on the PC's band scope while listening to the received audio from the built-in speaker of the
TH-D75A/E.
When Menu No.102 (USB Out Select) is set to 'IF', it outputs a centered 12 kHz IF signal for SSB, CW,
and AM modes. The output IF signal will have a passband of 15 kHz, regardless of the RX filter settings.
Setting Menu No.102 (USB Out Select) to 'Detect' will output the signal before the De-Emphasis filter in
FM mode, and the signal right after the detection stage in SSB, CW, and AM modes. When set to 'IF' or
'Detect', the USB output does not apply the RX equalizer. (→ Menu No. 102)

Example of Band Scope Display on the Windows PC Application "HDSDR".

Menu No.102 (USB Out Select) can be configured only when the transceiver is in Single Band mode on
Band B. There are some restrictions on the operation and behavior during the output of IF or detection
signals. For more details, please refer to the USER MANUAL.

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5.10.6 Fine Mode Step

When the reception mode is SSB, AM or CW, using the "FINE mode" enables tuning in finer step
frequencies.
The step frequency of "FINE mode" can be selected from 20 Hz/ 100 Hz/ 200 Hz/ 1000 Hz.
Please note that in the HF band, FINE Mode is enabled by default and cannot be directly switched to FM
mode. To switch to FM mode in the HF band, press [F], [MHz] (Fine), to turn off FINE Mode.

5.10.7 FM Radio
There are two methods of FM radio reception. One method involves selecting the frequency of Band B
within the FM radio band, while the other requires setting FM Radio mode to "On" in Menu No. 700.
By turning on the FM Radio mode, it is possible to receive FM radio signals while APRS and D-STAR are
running.
When radio signals are received on Band A or Band B, the display switches to the normal frequency
screen to receive the signals, while the FM radio is temporarily muted. After communication is finished in
this state and no signal is received on Band A or Band B for a time interval specified in the menu, the
display returns to the FM radio broadcast reception screen. (→ Menu No. 701)
The frequency range of FM radio is from 76.0 MHz to 107.9 MHz, which supports reception of
supplementary FM (wide FM) broadcasts.

FM Radio mode

The FM Radio icon lights up when FM Radio mode is turned on, enabling the transceiver to be used
exclusively as an FM radio.
• In this mode, the direct frequency input mode is dedicated to the FM radio function, simplifying radio
frequency input.
• There are 10 special memory channels for FM radio that also support registration of memory names.
• [MODE] (M/V) is used to toggle between Memory Channel mode and VFO mode.
• To start scanning, press [A/B] (Seek). When an FM station is found, "<< Tuned >>" is displayed and
scanning stops.
• In locations with unstable FM signal reception, increasing the 'Auto Mute RET. Time' can minimize the
frequency of switches between normal frequency mode and FM Radio mode. (→ Menu No. 701)

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5.11 Memory Channels

5.11.1 Using the Memory Groups
The TH-D75A/E offers 30 memory groups, from "GRP-0" to "GRP-29".
When a new memory channel is registered, it is automatically assigned a default memory group number.
Users can reassign group numbers according to their intended use.
To change the group of a selected channel, press [ENT] and [MENU] while in Memory Channel mode to
enter the Memory Channel List Menu, then select [Edit] - [Group].
Each memory group can assign a group name of up to 16 characters. Select a group in Menu No. 201 and
rename as needed.

Memory Channel No. Memory Group Default Group Name Example of Renaming
0 to 99 Group 0 GRP-0 Simplex
100 to 199 Group 1 GRP-1 Repeaters
200 to 299 Group 2 GRP-2 HF Amateur Bands
300 to 399 Group 3 GRP-3 Citizen Band
400 to 499 Group 4 GRP-4 FRS / GMRS
500 to 599 Group 5 GRP-5 VHF Air Band
600 to 699 Group 6 GRP-6 MW Broadcasting
700 to 799 Group 7 GRP-7 SW Broadcasting
800 to 899 Group 8 GRP-8 FM Broadcasting
900 to 999 Group 9 GRP-9 APRS / Packet

Pressing [MR] switches the device to Memory Channel mode and activates the "All Groups" state, where
all groups are recalled simultaneously. The default setting is "All Groups".
To select different memory groups for recall, press and hold [◄] or [►] while in Memory Channel mode.
The new memory group will be displayed for 2 seconds after a change is made, and then only the Memory
Channels registered in the selected memory group can be recalled.

ALL Groups Group-0

(All memories can be recalled) (Only memories registered in the displayed group can be
recalled)

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5.11.2 Group Link Scan

Press and hold [MHz] to start the Group Link Scan. Group Link Scan is a feature that allows scanning of
only the memory groups linked via Menu No. 203.
For instance, to scan only the amateur radio bands 144 MHz and 430 MHz, as in the examples provided
above, both "GRP-0" and "GRP-1" must be linked in the group link.

5.11.3 Program Scan Memory

There are 50 sets of program scan memories, totaling 100 channels, designated for specifying scan
ranges. Each program scan memory consists of a pair of channels: one for the lower frequency limit and
the other for the upper frequency limit.
For example, to set a scan range from 145.500 MHz to 145.900 MHz, register 145.500 MHz to channel
number "L49" and 145.900 MHz to "U49".
When the frequency falls within a program scan range in VFO mode, the display will show the number of
the currently active program scan.

Indicates the range of Program Scan No. 49.

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5.12 Bluetooth Connection

The TH-D75A/E is equipped with a Bluetooth feature that enables wireless connections with other external
devices. It supports Bluetooth 3.0, Class 2, and the following two profiles:
• HSP (Headset Profile): Enables audio communications, such as with headset devices.
• SPP (Serial Port Profile): Enables serial communications, such as with PCs or Android devices.

5.12.1 Supported Bluetooth Profile Description

HSP (Headset Profile)
By connecting the TH-D75A/E to a Bluetooth-compatible headset device, the microphone and earphone of
the headset can be used for making voice calls.
PTT on the transceiver unit or speaker microphone is used to start transmission. (Transmission cannot be
made directly from the Bluetooth headset, except for VOX operation, as PTT is not available via the
Bluetooth headset.)
To adjust the volume level when a Bluetooth device is connected, do so using the volume control of the
headset. The sensitivity of the microphone can be adjusted in Menu No. 112.
Note:
• Audio sound cannot be output from the USB or SP port when a Bluetooth headset is connected. HFP
(Hands-Free Profile) is not supported.

SPP (Serial Port Profile)

By pairing the TH-D75A/E with a PC and assigning a virtual serial port, it is possible to carry out serial
communication with the PC wirelessly. Doing so enables wireless operation of APRS applications such as
UI-View32 and MCP-D75. Also, serial communication with a PC is possible while a Bluetooth headset is
being connected.
During virtual serial communication via Bluetooth, configuration of the baud rate is not necessary to
ensure communication at the optimal speed. If it is necessary to configure the baud rate in the PC
application program in use, select any of the available options.

Bluetooth ON (Bluetooth icon appears) Bluetooth (connected) icon lights up

Bluetooth devices that are currently connected will appear in Menu No. 933.

Note:
• The TH-D75A/E does not support Bluetooth Low Energy (BLE). Therefore, it is not compatible with
applications or devices that require BLE. It only supports communication via the HSP and SPP profiles.

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5.13 USB Connection

5.13.1 Virtual COM Port
The TH-D75A/E supports the USB Communications Device Class (CDC), enabling communication with a
PC as a virtual COM port. The use of the USB virtual COM port, a dedicated driver is required. The driver
can be downloaded from the following URL.
https://www.kenwood.com/i/products/info/amateur/thd74_vcp_e.html
(The virtual COM port driver is applicable both for the TH-D74A/E and the TH-D75A/E.)
For virtual serial communication via USB, configuring the baud rate is unnecessary. If configuring the baud
rate for the PC application in use becomes necessary, selecting randomly from the provided options will
suffice. Any one of these options may be chosen.

The USB connection of the TH-D75A/E enables the MCP-D75 to read and write data much faster than the
previously mentioned Bluetooth (SPP) connection.

5.13.2 USB Audio

The USB Audio feature on the TH-D75A/E supports audio output only.
• The supported output format is 48 kHz, 16-bit, and monaural audio.
• USB Audio outputs the same audio sound as the speaker output.
• The output level of USB Audio can be adjusted in Menu No. 91A.
• Audio sound is output from the USB even when a speaker microphone or earphone is connected.
• When a Bluetooth headset is connected, USB Audio becomes a port used exclusively for the input and
output of the Bluetooth headset.

Audio Output Destination

Speaker
Built-in SP USB Bluetooth
Microphone
Nil Yes --- Yes ---
Connected Speaker Microphone --- Yes Yes ---
Device Bluetooth --- --- --- Yes
USB Audio Yes Yes Yes ---

5.13.3 USB Mass Storage Class

The TH-D75A/E is compatible with the USB mass storage class and allows access to files on the built-in
microSD card from a PC via a USB Type-C cable.
Activating the mass storage feature involves configuring the USB function of the TH-D75A/E to "Mass
Storage". (→Menu No. 980).

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5.14 microSD Card Usage

5.14.1 Recording Data
The TH-D75A/E is compatible with the microSD and microSDHC standards. It supports microSDHC cards
with a capacity of up to 32 GB.
The following types of information can be recorded to a microSD card.

Maximum No. of
Type Description File Format
Files
Transmitted/Received Records the communication of wav
255
Audio Recording data transmitted and received. 16 kHz/ 16-bit/ monaural

GPS Tracking Log Records the GPS tracking data. 255 nme

QSO Log Records the update history. 4000 tsv (tab-delimited text)

Repeater List D-STAR repeater list --- tsv (tab-delimited text)

Callsign List Callsign list for D-STAR --- tsv (tab-delimited text)
bmp
Captured Image Screenshot image ---
240 x 180/ 24-bit
Information such as the
Transceiver configuration of the transceiver
--- d75 (binary format)
Configuration features, as well as memory
channels and voice messages.

5.14.2 GPS Receiver for Prolonged GPS Logging

When using the TH-D75A/E solely as a GPS receiver/logger, activating GPS Receiver mode turns off the
transceiver function, thereby prolonging battery life.
Configure the "Operating Mode" for GPS to "GPS Receiver". (→ Menu No. 403)
The transceiver function is turned off in GPS Receiver mode, but the FM radio feature remains usable.
(→ Menu No. 700)

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5.14.3 Saving Configuration Data to microSD Card

The configuration or programming data of the TH-D75A/E can be saved to a microSD card. Export of
configuration data (→ Menu No. 800)
• When upgrading the firmware version, it is recommended that the data be saved to the microSD card.
• The data format is the same as that of the MCP-D75 application.
• To change the configuration on the TH-D75A/E, it is possible to save the new configuration data to the
microSD card in advance, followed by applying it using the configuration data import feature.
(→ Menu No. 810)

5.14.4 Position Memory Usage (GPS)

The TH-D75A/E allows users to register the positional information of their favorite locations in the Position
Memory.
The Position Memory feature stores information including the latitude, longitude, altitude, time of
registration, name and icon. Up to 100 sets of information can be stored in the Position Memory. All
contents except the time of registration can also be edited.
You can copy information on the current location, APRS station list and My Position to the Position Memory.
<Ways to Utilize Position Memory>
• Applying the Position Memory information to My Position and sending Position Memory information as
object and item
• Target point
To register a Position Memory, press and hold [MARK]. Registration is not possible if GPS positioning
information is not available. When GPS positioning data is available, pressing and holding [MARK]
registers the positional information of the current location to the Position Memory. Let us look at the steps
to register the APRS station list information to the Position Memory. The procedure is as follows.

Station List Screen Press [MENU] to display the list menu

(and select Copy to Pos. Memory)

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Select the Position Memory number to After copying, check the Position
copy the information to Memory list

Press [MENU] to display the list menu (and select “Copy to Pos. Memory”)

Position Memory List (Details) Screen

Example: Items that are moved when registering information from a station list to the Position Memory list.

Station List Position Memory List

Callsign → Position Name
Radio Station Icon → Icon (same as APRS)
Latitude → Latitude
Longitude → Longitude
Altitude → Altitude
Time Received → Time of Registration
Status Text ×
Weather Data ×
Transmission Power ×
Antenna Height ×
Antenna Gain ×
Position Comment ×
Packet Relay Route ×

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Example: Items that are copied when registering information from My Position to the Position Memory list.

My Position Position Memory List

Name → Position Name
× Icon (same as APRS)
Latitude → Latitude
Longitude → Longitude
Altitude → Altitude
× Time of Registration

Example: Items that are copied when registering information from the Position Memory to My Position.

Position Memory List My Position

Position Name → Name
Icon (same as APRS) × ---
Latitude → Latitude
Longitude → Longitude
Altitude → Altitude
Time of Registration ×

Example: Items that are copied when registering information from the Position Memory to Object.

Position Memory List Object

Position Name → Name
Icon (same as APRS) → Icon (same as APRS)
Latitude → Latitude
Longitude → Longitude
Altitude ×
Time of Registration ×

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5.14.5 Position Memory Registration

Positional information that has been registered can be copied easily to "My Position" or "Object".
Display the screen containing the details of the Position Memory to copy.

Press [A/B] (OK) to select the destination to copy to.

Select "My Position" or "APRS Object" as the destination, and press [A/B] (OK). Select one of the
options from "My Position 1" to "My Position 5" or "Object 1" to
"Object 3", and press [A/B] (OK) to copy the information.

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6 APPENDIX

6 APPENDIX
6.1 Exterior views
The pictures below are the TH-D75A and the TH-D75E.
The TH-D75A is equipped with a Triband Antenna (144/ 220/ 430 MHz band).

TH-D75A TH-D75E

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6.2 TH-D75A / TH-D75E Specifications

GENERAL

Frequency Range
Band A TX: 144 - 148 (TH-D75A), 144 - 146 (TH-D75E), 222 - 225 (TH-D75A),
430 - 450 (TH-D75A), 430 - 440 (TH-D75E) MHz
RX: 136 - 174, 216 - 260 (TH-D75A only), 410 - 470 MHz

Band B TX: 144 - 148 (TH-D75A), 144 - 146 (TH-D75E), 222 - 225 (TH-D75A),
430 - 450 (TH-D75A), 430 - 440 (TH-D75E) MHz
RX: 0.1 - 76, 76 - 108 MHz (WFM) 108 - 524 MHz
Mode TX F1D, F2D, F3E, F7W
RX F1D, F2D, F3E, F7W, A1A, A3E, J3E

Operating Temp. Range -20 °C ~ +60 °C (-4 °F ~ +140 °F)

with Incd. KNB-75LA -10 °C ~ +50 °C (+14 °F ~ +122 °F)
Frequency Stability ±2.0 ppm

Antenna Impedance 50 Ω

Operating Voltage
DC IN DC 11.0 - 15.9 V (STD: DC 13.8 V)
BATT DC 6.0 - 9.6 V (STD: DC 7.4 V)
Current Consumption TX EXT.PS 13.8 V / Battery:7.4 V
(TYP.) DC IN H M L EL
BATT 1.4 A 0.9 A 0.6 A 0.4 A
2.0 A 1.3 A 0.8 A 0.5 A

Current Consumption RX
(TYP.) SINGLE 260 mA (Rated Power)
155 mA (SQ Close)
50 mA (Avg. Save on)
DUAL 310 mA (Rated Power)
225 mA (SQ Close)
50 mA (Avg. Save on)
GPS logger mode 125 mA
Battery Life Approx. Single, Save on, Rate 6:6:48 sec, GPS off
H M L EL
KNB-75LA (1,820 mAh) 6 hours 8 hours 12 hours 15 hours
KBP-9 (Alkaline AAAx6) ------ ------ 3.5 hours ------
Approx. 10 % shorter when GPS is ON

Dimensions (W x H x D) Projections not included

with KNB-75LA with 56.0 x 121.95 x 32.5 mm (2.20 x 4.80 x 1.28 inch)
KBP-9 56.0 x 121.95 x 34.6 mm (2.20 x 4.80 x 1.36 inch)
Weight (net) Body only TH-D75A: 204 g (7.20 oz)/ TH-D75E: 203 g (7.16 oz)
with KNB-75LA TH-D75A: 346 g (12.20 oz)/ TH-D75E: 344 g (12.13 oz) (w/ Antenna, Belt Clip)
with KBP-9 TH-D75A: 391 g (12.79 oz)/ TH-D75E: 389 g (13.72 oz) (w/ Antenna, Belt Clip, AAAx6 Battery)

TRANSMITTER

RF Power Output EXT.PS 13.8 V / Battery:7.4 V

H M L EL
5W 2W 0.5 W 0.05 W

Modulation FM Reactance Modulation

DV GMSK Reactance Modulation
Modulation Deviation FM ±5.0kHz
NFM ±2.5kHz
Spurious Emissions
HI / MID -60 dBc or less
L -50 dBc or less
EL -40 dBc or less

Microphone Impedance 2 kΩ

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6 APPENDIX

RECEIVER Band A Band B

Circuitry
F1D, F2D, F3E,F7W Double Super Heterodyne
A1A, A3E, J3E Triple Super Heterodyne
IF Frequency
1st IF 57.15 MHz 58.05 MHz
2nd IF 450 kHz 450 kHz
3rd IF A1A, A3E, J3E 10.8 kHz
Sensitivity (TYP.)
Amateur Band
FM 12dB SINAD
FM/ NFM 144 MHz 0.18/ 0.22 uV 0.19/ 0.24 uV
FM/ NFM 220 MHz (TH-D75A only) 0.18/ 0.22 uV 0.20/ 0.25 uV
FM/ NFM 430 MHz 0.18/ 0.22 uV 0.20/ 0.25 uV
DV PN9/GMSK 4.8kbps, BER 1%
144 MHz (TH-D75A) 0.22 uV 0.22 uV
144 MHz (TH-D75E) 0.20 uV 0.22 uV
220 MHz (TH-D75A only) 0.22 uV 0.24 uV
430 MHz 0.22 uV 0.22 uV
SSB 10 dB S/N 0.16 uV
AM 10 dB S/N 0.50 uV
Except above Amateur Band

AM 10 dB S/N
0.3 - 0.52 MHz 4 uV
0.52 - 1.8 MHz 1.59 uV
1.8 - 54 MHz 0.63 uV
54 - 76 MHz 1.12 uV
118 - 174 MHz 0.50 uV
200 - 250 MHz 0.63 uV
382 - 412 MHz 1.12 uV
415 - 524 MHz 1.12 uV
FM 12dB SINAD
28 - 54 MHz 0.32 uV
54 - 76 MHz 0.56 uV
118 - 144 MHz 0.36 uV 0.36 uV
148 - 175 MHz 0.36 uV
200 - 222 MHz 0.36 uV
225 - 250 MHz 0.36 uV
382 - 400 MHz 0.50 uV
400 - 412 MHz 0.36 uV
415 - 430 MHz 0.36 uV 0.36 uV
450 - 490 MHz 0.36 uV 0.36 uV
490 - 524 MHz 0.36 uV 0.63 uV
SSB 10 dB S/N
1.8 - 54 MHz 0.40 uV
54 - 76 MHz 0.79 uV
144 - 148 MHz 0.16 uV
222 - 225 MHz 0.20 uV
430 - 450 MHz 0.16 uV
FM BC Band
WFM 30 dB S/N
76 - 95 MHz 1.59 uV
95 - 108 MHz 2.00 uV
Squelch (TYP.) 0.18 uV 0.25 uV
Spurious Rejection 144 MHz 50 dB or more 45 dB or more
430 MHz 50 dB or more 40 dB or more
IF Rejection 60 dB or more 55 dB or more
Channel Selectivity -6 dB 12 kHz or more
-50 dB 30 kHz or less
Audio Output 7.4 V, 10% Dist. 400 mW or more / 8 Ω
Bluetooth
Version, Class Version 3.0, Class 2
Output Power -6 ≺ Pav ≺ 4 dBm
Modulation Characteristics 140 ≦ ⊿f 1avg ≦ 175 kHz
Initial Carrier Frequency -75 ≦ fo ≦ +75 kHz
Carrier Frequency Drift ±25 kHz (One Slot packet)
±40 kHz (Three Slot Packet)
±40 kHz (Five Slot Packet)
GPS
TTFF (Cold start) Approx. 40 sec
TTFF (Hot start) Approx. 5 sec.
Horizontal Accuracy 10 m or less
Receive Sensitivity Approx. -141 dBm (Acquisition)
Ta = 25°C, Open sky

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Operating Tips

May 17, 2024

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