Simrad AP25 - Manual (Page 139)

Maintenance
20221495E
137
Autopilot Control Unit
You will need a special kit for a PC to perform the programming
of the AP25 Control Unit. Order the following from Simrad:
Programming kit P/N 22088595.
Instructions are included.
Figure 5-2 Part of AP25 PCB
Remove the cables and unscrew the six screws that secure the
back cover. Apply a firm pull with your fingers to pull the back
cover loose from the connector pins. Then you have access to the
software download connector.
Software
download
connector