[Elecraft] KX2 lowers frequency with PTT

[Michael Blake]

John, It has been my perception that the changing resistance of the 1/8” TRRS Mic  plug, as it rotates slightly when holding the Mic, is the source of the frequency instability.  Turning off the Up/Dwn function, as you have discovered, is the cure.

Very 73 - Mike - K9JRI






> On Jun 14, 2018, at 2:17 AM, VK7JB <opensilence at bigpond.com> wrote:
> 
> Well, I just checked and switching MIC BTN to PTT has resolved the issue.
> Thanks!  
> 
> Looking more carefully, the frequency down-jumping glitch occurs on my KX3
> about every 10-20 actuations of the PTT switch - the timing seems random,
> but is often enough to be irritating.  And it stops with the change in the
> MIC BTN menu item to PTT.  
> 
> 73,
> John
> VK7JB 
> 
> 
> 
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