If you're getting anything other than "Controller Not Found" then the data connection is probably ok.
Does the analog output from the LC-1 work ok? Does it display the expected AFR?
Regards
Paul
Does anybody have a diagram on how to wire the mini-din 8 pin connector(LM1 serial connection port) to theRJ12 plug on FS? Cannot get data transfer with null-modem adapter and FS cable.