http://elecraft.85.s1.nabble.com/K3-firmware-and-AGC-question-tp2734329p2734413.html
Allan. In the conif. menu, is you AF Gain set for LO or HI?
>I recently had my K3 (S/N 740) updated at the factory with the 2nd
> receiver and other relevant mods. It has firmware 2.78 installed and
> the rig was received back from Aptos about two weeks ago. Since
> receiving it, I have noticed that the Audio gain needs to be cranked
> up more than before. The rig never had gobs of rx audio, but I am
> finding it at 2 or 3 o'clock most of the time. I was on 30m with the
> bandwidth set to about 1.0 kHz and using NR. As a test, I shut down
> the AGC and it seems to have plenty of rx audio then (but of course NO
> protection...). Turn on NR substantially drops rx audio including
> signals...
> Even without NR, it seems a bit weak. I am not a young buck and
> hearing is somewhat addled, but no hearing aids yet!
>
> Has anyone noticed changes in rx audio with either installation of the
> 2nd rx or somewhat updated firmware? If I upgrade to the
> latest and greatest (3.11??) what should the AGC settings be for
> general use? I know there were lengthy discussions here regarding AGC
> parameters, but didn't pay much attention when they came by. Is there
> a summary page/wiki somewhere??
>
> --
> 73 Allan K7GT
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