[Elecraft] K3S USB soundcard mic always monitoring TX audio

[Nicklas Johnson]

While spending some quality time with the K3s tonight, I noticed that if I
switch on the "listen to" feature in Windows to listen to the USB codec
microphone audio through my computer speakers, I always hear the audio when
transmitting; ie, it behaves as though the audio being sent out the USB
Codec speakers is being monitored by the USB Codec microphone.

This was the case with the power reduced to 0, or with the unit in TX Test
mode, so I don't think it's RF bleeding through.

I also checked the MON setting and made sure it was on 0.  It had been on a
low setting when I was listening to transmit audio on the speaker plugged
into the K3S earlier.

What else should I check, or is this behavior expected?

   Nick

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