F9P: https://github.com/lansalot/AOGConfigOMatic/releases
Rename the downloaded files as Single.txt and it should be simple to flash.
How to easily modify RS232 on the UM982:
list COM ports
mode
change COM speed:
mode com42 baud=115200 parity=n data=8 stop=1
https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/mode
We can send commands like this:
echo command > PORT
Change to NMEA0183 V3 and change speed:
echo CONFIG NMEA0183 V31 > \.\COM20
echo CONFIG COM2 57600 > \.\COM20
echo SAVECONFIG > \.\COM20
Realterm v3 download: https://www.i2cchip.com/realterm/Realterm_3.0.1.43_setup.exe