[Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch observations in ss

[Eric Swartz - WA6HHQ, Elecraft]

Lyle is taking a look at this.

73, Eric
www.elecraft.com
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On 11/22/2010 4:48 PM, Nate Bargmann wrote:
> * On 2010 22 Nov 16:14 -0600, Lu Romero wrote:
>
>> Third, the Notch.  This one is not so good.  I noticed that
>> when I attempted to use the Notch, there is an annoying
>> "glitch" that results when the notch is on; a complete drop
>> in the audio output of the radio on T/R switchover for what
>> I consider a long time AFTER the turaround happens!  What
>> happens is that, on T/R turn around, you hear an instant of
>> receiver audio, then the audio seems to mute completely off
>> for an instant, then audio abruptly returns... This doesnt
>> happen with the notch off.  This has never happened to me
>> before, and I use notch all the time.  Anyone else notice
>> this, is it a new interection of either the new Gate or Vox
>> system with the notch code or is it "normal" (I hope not!)?
> Yes, I noticed it as well and realizing the notch was on caused me to
> turn it off and the effect went away.  I am also running 4.22 beta and
> associated DSP and FPF revisions.
>
>> Its VERY annoying, to the level of me deciding to put up
>> with tuning tones instead of using the notch (which gives
>> you an idea of just how annoying the effect is!).  If the
>> folks at Elecraft need to hear a recording of the effect, I
>> can supply it.
> I didn't find it quite that annoying, but it is definitely noticable and
> is present using PTT as well.
>
> 73, de Nate>>
>