Posted by
NK7Z on
Aug 04, 2017; 4:52am
URL: http://elecraft.85.s1.nabble.com/K3-Odd-ALC-behavior-tp7633052p7633071.html
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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