Skyland Posted May 17 Report Posted May 17 Trying to troubleshoot my Coms. As stated in the title, when Com 1 (Garmin 430) is selected in the audio panel (KMA 20) and then Com 2 (old Apollo GX60, which works quite well as a Com) is monitored, the volume of Com 1 drops considerably. Conversely, Com 2 selected, then monitoring Com 1, the volume of Com 2 remains constant. Happens on all frequencies. Thought for sure it must be an issue in the KMA 20, so swapped in another KMA 20 and the problem is unchanged. Hum, could it be a wiring or grounding problem? Both radios transmit and receive clear and strong. Not a big issue but I like using the Garmin for Com 1 and like to monitor guard or weather on Com 2 without having to constantly adjust Com 1 volume. Ideas? Quote
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