Recently, I began trying to use the rear microphone jack on my K3 with
my Yamaha boom mike, instead of using a stand-alone USB sound card and
feeding the signal to the LIN IN jack. This worked fine for a couple of
weeks, but today when I tried it, I got very loud white noise driving my
radio and amp essentially to full scale. I have MIC SEL set to RPH BIAS,
which has worked in the past. Any MIC gain setting over 7 drives the amp
to full output. When I pull the mike plug out of the jack, the problem
goes away.
Have I inadvertently messed up another setting, or perhaps a failure in
the mike?
--
73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.
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