[Elecraft] K3 & Heil HM-10 Dual

[Don Wilhelm]

"Rule of thumb" - if the microphone produces any audio at all with no 
bias, it should be run with no bias - it is a dynamic type.
Electret elements will not produce any audio at all unless bias is 
turned on.

73,
Don W3FPR

On 4/18/2017 12:27 AM, Matt Zilmer wrote:
> Thanks, Jim.  The gain setting just has to be set to HIGH.  Bias off.  I 
> checked my settings here for the first time in almost seven years.
> 
> You got me on that. I was thinking of the CM500 headset.  Bah.