[Elecraft] K3: Odd ALC behavior

[Ken Chandler]

Don't drop this thread Wayne! Theirs something we can all learn about here!!

Ken.. G0ORH

Sent from my iPad


> On 4 Aug 2017, at 05:52, Dave Cole <dave at nk7z.net> wrote:
> 
> Thanks to all for the sheer number and breadth of answers...  Rather than answer each one, and create a huge number of posts, I will try and answer all here...
> 
> I have done all the steps outlined i the posts here before, and have tried them again today.
> 
> Output from the computer is sitting dead center, line in was sitting at 27, and the power slider on WSJT-X is sitting at 4/5th full.
> 
> I took a different sound card program, (MixW in RTTY), and I got the same behavior at 5 bars, the meter shows 5 bars, or no bars going between those conditions about once or twice a second randomly.
> 
> If I increase ANY of the audio controls it drops out of that mode, and acts just as Elecraft say to set things, just one bar higher, i.e. sits at 5 bars, and the 6th flashes...
> 
> No combination I can create of the input, or output controls will stop this.
> 
> I also tried adjusting the power controls set a 1 watt, and at 50 watts.  The power control makes zero difference in how it behaves.  In fact if I am in TEST TRANSMIT mode the problem shows...
> 
> Listening to the computer output via MON-- sounds perfect...
> 
> I may next get the scope out again, and start looking at things again...  I doubt it is the sound card changing levels because the issue goes away if I turn up LINE IN on the K3...
> 
> I am still at a loss as to what is causing this issue.  I am pretty sure it is an artifact of something happening in the K3, but for the life of me I can't figure it out.
> 
> 73s and thanks,
> Dave
> NK7Z
> http://www.nk7z.net
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