1- At latitude zero, inverted altitude (all mount types).
2- In manual mounts and "Return on end", again and at some circumstances (not solved in V5.1.1.269, including rounding floating-point errors), invalidate PEC recording and does not record the PEC file at end of PEC (NPEC) cycle.
3- When parking, the PEC trackbar returns faster than RA trackbar.
4- If park button is pressed during pulseguiding or manual guiding, it "memorizes" the guiding speed and start moving at this speed after parking, on manual mounts.
5- At some circumstances the PEC recording does not start, even starting at sidereal speed from park position, on manual mounts.
6- Position locked (does not start) after return to park position using left arrow, on manual mounts.
7- Accepts park position below horizon on manual mounts. Move to this park position, and then unpark, moving to nearest point above horizon.