ozzietriker Posted April 2, 2023 Share Posted April 2, 2023 G’day Radio Guru’s, I have a Microair 760 Radio fitted to a gyro which is working fine with a Lynx Intercom system. I do however get an annoying momentary (1 second) loud high pitched tone through the headset the moment I turn the radio on. After which it goes away and the radio functions fine. Is this normal? And for comparison, are there any Microair 760 owners here that experience the same thing? thanks in advance! Link to comment Share on other sites More sharing options...
RFguy Posted April 2, 2023 Share Posted April 2, 2023 sounds like the mic is feeding back through the intercom / sidetone facility . turn down the sidetone, or mic gain, or intercom tweaks. is the volume of the squeal track with the volume control on the panel ? Link to comment Share on other sites More sharing options...
FlyBoy1960 Posted April 2, 2023 Share Posted April 2, 2023 Could also be rf getting in the line, disconnect the mic plug and test again, noise gone, problem solved. Still there, try above. Link to comment Share on other sites More sharing options...
ozzietriker Posted April 2, 2023 Author Share Posted April 2, 2023 5 hours ago, FlyBoy1960 said: Could also be rf getting in the line, disconnect the mic plug and test again, noise gone, problem solved. Still there, try above. Hey Flyboy, many thanks for the tips! I’ll try that out. Link to comment Share on other sites More sharing options...
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