[Elecraft] MC-60 microphone

[Guy Olinger K2AV]

This can easily be RFI in the shack. What kind of cabling, antenna, or
grounding change have you made recently? Have you had the K2 under repair
recently?

Causes can be as simple as forgetting to tighten the shell of a PL259, or
the mic cable shield coming undone, or the mic cord connector wearing out.

Think TX RF getting back into the circuitry and keeping a circuit high that
would otherwise go low when you let go of the mic.

73, Guy.

On Thu, Nov 13, 2014 at 9:54 AM, Leroy Marion <lmarion at mt.net> wrote:

> Here is a different problem for K2 gurus:
>
>
>
>    Using a Kenwood MC-60, when keyed it toggles the K2 into transmit,
>
> and won't come out of transmit until you cycle power switch.
>
>   Hand mic or Heil  with foot switch works fine.
>
> Batteries in or out of MC-60 makes no difference. It worked for
>
> Years normally.
>
>                                    ???
>
>                                                 Leroy AB7CE
>
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