[Elecraft] K3: Anyone have any troubles with latest 4.86 and RemoteRig TX audio?

[Don Wilhelm]

Be careful with that statement about Heil microphones.  The ones for 
Elecraft and Icom have electret element and need bias.  There is one 
newer Heil element that is electret - I can't recall its designation.
Yes, most Heil microphones are dynamic, but there are many exceptions.
Simply saying the microphone is a "Heil" is insufficient, one must be 
explicit about the exact model and the adapter used.

73,
Don W3FPR

On 7/27/2014 7:57 PM, Hisashi T Fujinaka wrote:
> Well that was the problem! I wonder why I thought it worked before.
>
> The reason I changed the jumper is because of the RemoteRig users
> manual, that says:
>
>     Control-RRC only: JMP-1 is placed behind the TTL connector. With the
>     strap in place a DC voltage is feed to the microphone element. All
>     ICOM microphones should be DC-feed.
>     Dynamic microphones like the ones used by Kenwood should not be
>     DC-feed. HEIL microphones should not be DC-feed either.
>
> Maybe they just mean the desk microphones.
>