I recently picked up a used MTH GP7 with PS 2.0 (3-volt). The MTH product number is 30-2722-1. Everything works great except for the fact that there is no SoftKey to turn off the interior cab lights. This SoftKey is usually labeled as “LIN” in the remote. I also added this engine to the MTH DCS App and there is no way to cycle the lights within the app either.
I removed the shell to look at the wiring and found that the interior cab lights are indeed on their own unique harness back to the board. They are not connected to the headlight circuit.
Am I missing something here? All of my other DCS engines with cab lights have that SoftKey titled “LIN”.
Could I use the ADPCM program to edit the list of SoftKeys for this engine’s soundfile? Is it possible to toggle on and off Softkeys with that program? Would that give me the ability to turn the interior cab lights on and off?
Any insight or advice is appreciated, thanks.