Avionics (Radio Problem) Narrowed Down... I Think???

"three-eight-hotel" writes:

Thanks! I will do that...

Off topic question:

The audio panel from the front, has every indication that it has marker
beacons (O, M, I indicators), but there's nothing there... Simply no
led's or wires to the panel. This would seem like a fairly simple
thing to implement??? Should I just cut my losses and be happy I can
communicate, or am I getting greedy, thinking I could go to Radio Shack
and with minimal effort, upgrade this existing audio panel by myself?

Does the panel have the decoders; just no indicators? It could be
the PCB section for that function was never populated, or it's a
daughter board that was not installed...


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