[Elecraft] K3: VOX pumping when notch is turned on

N2TK tony.kaz at verizon.net
Fri Feb 22 15:18:39 EST 2008


I first saw a similar problem earlier today when I turned on NR on SSB. To
remedy it I need to increase the NR setting to something like F(2-4)- (1-4).
example - F-1-3 exhibits this problem, but F-4-1 does not exhibit this
problem.  I wonder if this is a function of the just released firmware?

N2TK/NP2, Tony

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ed K1EP
Sent: Friday, February 22, 2008 2:20 PM
To: elecraft at mailman.qth.net
Cc: k3support at elecraft.com
Subject: [Elecraft] K3: VOX pumping when notch is turned on

I'll be submitting this the support line, but wanted to know if 
anyone else has seen this.  In SSB mode, with the headphones on 
(plugged in front panel), I turn on the auto-notch.  I get the VOX 
tripping on and off but when it trips, RX audio starts coming out the 
speaker as well as the headphones.  I have the VOX gain around 10 and 
anti vox somewhat high, like maybe 50 I think.  Using Heil HC-4 element.

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