[Elecraft] A KX3 Puzzler

Wayne Burdick n6kr at elecraft.com
Sat Jul 19 19:37:16 EDT 2014


Bug. Good catch, Ted -- thanks.

Wayne
N6KR

On Jul 19, 2014, at 3:51 PM, "Dauer, Edward" <edauer at law.du.edu> wrote:

> The KX3 uses a push on the AF/RF encoder to toggle between AF gain and RF
> gain.  But here¹s the weird thing that happens ­ with the control set at
> RF gain, the system sets itself back to AF gain when the internal ATU is
> cycled.  It¹s mildly annoying ­ whenever a QSY is large enough to call for
> an ATU tune, the radio requires that I manually toggle back to RF gain.
> That is, it reverts to AF gain simply by having the ATU cycled.
> 
> 
> I tried other functions to see if anything else causes this perverse
> refusal to keep my preference intact.  The reversion to AF also occurs
> when XMIT/TUNE is pushed, when Band+ or Band- is pushed (even after
> returning to the original band), and when Mode is changed (even after it¹s
> changed back to CW.)  It does not happen when the transmitter is keyed (so
> it¹s probably not stray RF doing this spooky thing), nor when any of the
> other controls are switched pressed or twisted
> 
> 
> I wonder if anyone else with a KX3 has seen this happen ­ choose RF gain,
> cycle the ATU, and see if the system returns the RF/AF control to AF gain.
> It would be nice to know if mine is unusually cranky or if it¹s in the
> radio¹s genes.  Anyone have an idea why it¹s happening?  Or how to keep it
> from happening?
> 
> 
> 
> Ted, KN1CBR





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