gunrunnerjohn posted:Susan, the remote is only talking to the TIU. The tester should be used with ONLY the TIU connected, no track, no engines, etc. Also, you need a pure sine wave transformer to power the TIU as the sawtooth from most electronic transformers will screw things up.
I put the remote into SPEED mode so that it doesn't stall waiting on the engine when I press keys.
What engine? When I bench tested I connected the tester to the Output and just tested for the watchdog signal.