Help with Yaesu mic's
 

I have 2 MH-1 (new version) Yaesu hand mics and a MD-200 desk mic that will
key my MKV, but they will pass audio and work on vox. I have an older MH-1
that works perfectly, keys the radio and passes audio. I have swapped the
cords on all the new versions and the MD-200.

Can anyone help trouble shoot the problems? I'm at a loss of what else to
do. I'm still confused why the older version works and the others don't.

Phillip Johnson KB4I
Fairview, TN


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