[Elecraft] K3S and WSJT-X

[Robert Nobis]

Ian,

I have the same issue with my K3 and WSJT-X. Great care must be taken when making the Tx power adjustment, and it is far too easy to significantly change the ALC level with the slightest movement.

73,


Bob Nobis - N7RJN
n7rjn at nobis.net


> On Jan 25, 2016, at 18:37, Ian <ik7565 at verizon.net> wrote:
> 
> Thanks all for the helpful suggestions - turns out the audio drive levels
> are pretty sensitive.  The WSJT Power slider on the right is very touchy in
> combination with the K3S Mic Gain knob.  ALC can disappear in an instance!
> 73, Ian N8IK 
> 
> 
> -----Original Message-----
> From: Don Wilhelm [mailto:w3fpr at embarqmail.com] 
> Sent: Monday, January 25, 2016 17:52
> To: Ian <ik7565 at verizon.net>; elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3S and WSJT-X
> 
> Ian,
> 
> Are you actually getting RF output?  Check with an in-line wattmeter.
> 
> WSJT-X is no different than other soundcard data modes.
> Do you have the DATA mode input set to LINE IN?  If you have a K3S or K3
> with the KIO3B *and* are using the internal soundcard, anything plugged into
> the LINE IN jack on the K3/K3S will override the audio input from the
> internal soundcard.
> 
> Do you have the data submode set to DATA A?
> The audio drive should be set to produce 4 bars solid on the ALC meter with
> the 5th bar flashing - that is the "No ALC" point, the 1st 4 bars are there
> to help you adjust the audio drive level.  Set the MIC SEL to LINE and set
> MIC + LINE to off.  Set the soundcard output slider up to at least 3/4 and
> then adjust the Line-In (Mic) Gain to obtain the proper deflection on the
> ALC meter (you can do that in TX TEST mode without producing RF).
> 
> If you have no indication on the ALC meter, that is good reason for no RF
> output.
> 
> 73,
> Do W3FPR
> 
> On 1/25/2016 5:26 PM, Ian wrote:
>> TXMON installed correctly!  Works fb on CW and SSB.
>> 
>> 
> 
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