I have a GMA 340 audio panel and an IFD 440 in Comm 1. KX165 in COMM 2. Getting a hiss on the side tone transmitting above 131.0. No hiss when I am talking, only when I pause. ATC says I am loud and clear. Any ideas?
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Hiss on side tone transmitting on frequencies above 131.0
- Thread starter Skigolfmike
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