[Elecraft] Yamaha CM-500 headset question

[Don Wilhelm]

Ron,

I believe you meant the MH2 rather than the MH3 - the MH3 has a 1.8 inch 
TRRS plug (for the KX3 and KX2) while the MH2 has the Foster plug that 
mates with the K3/K3S front panel connector.

Secondly, the HIGH and LOW in the K3/K3S menu are NOT the output of the 
mic, but instead Low mic gain and High mic gain.
The Low setting should work well with both the MH2 and the Yamaha.  Both 
have electret elements, so the bias should be ON for both.
On other words, you should just have to switch from front panel mic to 
rear panel mic.

You may have to make some slight adjustment to the mic gain when switching.

73,
Don W3FPR

On 12/5/2016 10:42 PM, Ron Manfredi wrote:
> In line with the replies about a good mic to use with the K3, I have a
> question.  I am alternating between the Yamaha headset, (selected as the
> rear mic, LOW output with bias) which works fine, and I would recommend
> it .   However when I want to use the MH-3, I must not only change to
> the front panel mic, but also change to No bias, and HIGH output.   Any
> way to minimize the button selections that have to be made to do this?
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