[Elecraft] Weird AGC Behavior

[Guy Olinger K2AV]

To Whom?    73, Guy

On Mon, Sep 19, 2011 at 7:00 PM, <goldtr8 at charter.net> wrote:

> Simon has sold HRD so I would not hold your breath for a fix.
>
> ~73
> Don
> KD8NNU
>
>
> On Mon, Sep 19, 2011 at 12:36 PM, Don Wilhelm wrote:
>
> > David,
> >
> > Are you running Ham Radio Deluxe?  If so, that is what is turning the
> > AGC off.
> > My understanding is that this is a problem with the fast polling rate
> > used by HRD.  Last I heard (more than a month ago), Simon was looking
> > at some sort of fix, but I have heard no further information.
> >
> > 73,
> > Don W3FPR
> >
> > On 9/19/2011 12:22 PM, David Inger wrote:
> >> Has anyone experienced anything like this?
> >>
> >>   I am using a K3 (FW version 4.39; DSP version 2.73) with a KPA500
> >> amp
> >> connected to the K3 with the Elecraft AUX cable.
> >>
> >> I normally have the AGC set for AGC-S when operating SSB or digital
> >> modes.
> >> If the K3 is in receive mode for several minutes,  the AGC turns
> >> itself off
> >> without warning (accompanied by a hugh volume increase from the
> >> speaker).
> >> While this doesn't happen every time, it has happened several times.
> >> It
> >> seems to be most likely to happen if the Noise Blanker is turned on
> >> and the
> >> KPA500 amp is on and ready for operation (as opposed to being in
> >> standby
> >> mode).
> >>
> >> When I installed my KPA500, I upgraded the K3's firmware to the above
> >> versions.  I have no idea what is causing the AGC to turn itself off,
> >> or if
> >> it has anything to do with the firmware upgrade, the amp, or both, or
> >> neither.
> >>
> >> I would appreciate any help that exorcises this demon.
> >>
> >>
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