[Elecraft] Adjusting Audio Level for Digital Modes

Don Wilhelm donwilh at embarqmail.com
Fri Sep 8 18:59:44 EDT 2017


Bret,

You likely have the LINE IN level in the K3/K3S set to either the high 
or low end of the range.  Set it first for midrange (about 30), and then 
set the soundcard "speaker" output slider for about 50%, and set the 
WSJT-X slider also to about 50%.  Then see what the ALC meter reads 
during a transmit.
You should be able to do that in TX TEST mode, or working into a dummy 
load so there is no need to put those "testing" signals on the air.

With the K3 LINE IN set to midrange, adjust the computer sliders so you 
get close to the 4 bars with 5th bar flashing.  Then fine tune that with 
the K3 LINE IN to get to the right level.

If you cannot obtain the 5th bar flashing, settle for 4 bars solid with 
the 5th bar not illuminated at all.

Don W3FPR


On 9/8/2017 6:36 PM, MaverickNH wrote:
> At present, I have my PC's USB Audio Codec Playback Level set at 35%, and am
> adjusting ALC with the MIC knob. With the WSTJ-X Tune ON, I'm slowly
> increasing MIC until the 3rd bar shows. Further increase jumps directly to
> the 5th bar, with no 4th bar appearing or flashing 5th bar.
> I could swear I used to be able to get that flickering 5th bar. Must be I
> have something else set incorrectly?
> 
> But either way, I must have nudged the MIC button as now things seem OK. Any
> way to lock that? As such, when pressing the K3S TUNE button ON, the POWER
> knob on the K3S adjusts power smoothly up on the K3S (as seen on the P3TXMON
> and K3S display) with KPA500 off. With KPA500 ON, increasing K3S power knob
> increases KPA500 display power, with the P3TXMON going up too.
> 
> I'll have to add "check ALC/MIC setting to my WSJT-X Cheat Sheet. Thanks for
> the help guys.
> 
> BRET/N4SRN
> 
> 
> 
> --
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