[Elecraft] K3 600Hz shift when A/B pressed (cw/ssb)

[Douglas Maxwell]

Hi Don,
    Yes I was using POWERSDR/IF earlier today when I noticed the bug. 
Believe it or not I upgraded to v1.19.3.5 earlier today without making the 
connection. I tried the same A/B thing again (just now) with the K3 (with 
and without POWERSDR/IF v1.19.3.5 running) and it doesn't happen now. Looks 
like I was experiencing the POWERSDR/IF v1.19.3.4 bug. That would have 
driven me mad wondering why the odd behaviour vanished.

Superb bit of sleuthing Don.

Note to self: kill all related communication applications when K3 exhibits 
odd behaviour.

Thanks again

Doug GM0ELP

----- Original Message ----- 
From: "Don Wilhelm" <w3fpr at embarqmail.com>
To: "GM0ELP" <dcmaxwell at sky.com>
Cc: <elecraft at mailman.qth.net>
Sent: Saturday, April 17, 2010 10:06 PM
Subject: Re: [Elecraft] K3 600Hz shift when A/B pressed (cw/ssb)


> Doug,
>
> Are you using POWERSDR/IF?  If you are, is the version xxx.34?  That 
> version had a bug caused the very shift you are seeing.  Furthermore it 
> happened whether the A/B change was initiated by either the K3 buttons or 
> the POWERSDR panel.  Upgrade to version xxx.35 to fix it.
>
> 73,
> Don W3FPR
>
> GM0ELP wrote:
>> If I have different modes (cw/ssb) in A and B VFOs, when I press A/B the
>> frequency being passed to VFO A goes up 600Hz (cw) or down 600Hz (ssb) 
>> each
>> time A/B is pressed. Anyone else see this? What am I doing wrong?
>>
>> TNX
>>
>> Doug GM0ELP