Gliders etc. – Garbled Transmission, transmission interference:
Due to large numbers of unpowered vehicle pilots using the M760 Radio, the later models, Rev-Q for example, have a main PCB incorporating a processor which is less sensitive to voltage drop, allowing the voltage to drop to 10.5V without transmission interference.
Useful links:
VHF Aerial Installation FAQ
PM501 Intercom 01R1
M760 Memory Programming 01R1
M760 Memory Button 01R1
M760 Jack Wiring 01R1
RF Interference use of ferrites
Strobe Trouble Shooting
Aircraft noise headsets presentation