Gary0747 Posted March 8, 2021 Report Share Posted March 8, 2021 I posted this on a 4 year old thread on this topic but realized the original post had been placed under the General topics, so I moved it here where more expertise resides. Most of the new audio panels appear to require us to short the mike key (tip) to the audio low (barrel) which works fine if one has two wires run to their PTT switch in the control yoke. But if we only have a single wire to the switch in the yoke, that gets grounded with the PTT, will this create a problem by not using the mike audio low to key the transmitter on the newer audio panels. In some cases reworking the control yoke switches appears to be a big job. The mike low circuit is grounded any way inside the audio panels. Quote Link to comment Share on other sites More sharing options...
Yetti Posted March 9, 2021 Report Share Posted March 9, 2021 That's only if you want a PTT inline with the headset. For most installs the PTT just goes to ground with a MO push button switch. Quote Link to comment Share on other sites More sharing options...
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