[Elecraft] New Firmware (k3fw5r57) Causes Odd Sound

[kg9hfrank at gmail.com]

For which radio?
Frank KG9H

> On Feb 22, 2017, at 8:37 AM, ke9uw <c-hawley at illinois.edu> wrote:
> 
> I updated from the r35 to r57 firmware and received reports of an almost
> imperceptible but noticeable zizzy sound when I quit talking and before the
> vox drops out on 80M sideband. The listeners say it sounds like a fan in the
> background, but I have no fans or noise in the room.
> I reloaded the r35 and the issue was gone. 
> Anybody have any ideas? Elecraft?
> Chuck, KE9UW
> 
> 
> 
> -----
> Chuck, KE9UW
> --
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