Julia,
That is designed in to prevent the audio front end from being damaged by
a high audio level.
For those who have read my document on setting the audio levels, I was
careful to state that one should start with each audio level (computer
and KX3) to mid-range for a starting point and adjust from there a bit
at a time.
73,
Don W3FPR
On 11/23/2021 8:34 PM, Julia Tuttle wrote:
Does anyone know *why* it does that? It's confusing when no bars means
either "way too high" or "way too low".
On Tue, Nov 23, 2021, 20:22 AL7CR <al...@mooseaviation.com> wrote:
A classic problem. You have TOO MUCH input gain. Counterintuitively the
KX 3 ALC will display nothing if over driven. Turn the input way down and
then increase in small steps. You will find the right setting to show ALC
that way.
On Tue, Nov 23, 2021, at 2:57 PM, Frank O'Donnell wrote:
After not having used my KX3 in a while, today I set it up with a laptop
on the front porch to send FT8 in WSJT-X with a new AX1 antenna.
I went through the procedure in Don W3FPR's document "Setting Elecraft
Transceivers for soundcard digital," setting in and out audio levels on
my MacBook Pro for the thumbnail-sized Sabrent USB soundcard; Mic Gain
on the KX3; and the power slider in WSJT-X. CAT control is working fine,
and the KX3 is in DATA A mode. The waterfall of incoming signals appears
normal.
I seem to be getting a good signal out, with -1 dB reported from Alaska,
and -7 to -10 dB from the U.S. east coast with the above settings around
midrange, and with the KX3 set for 15w out. However, I don't see any
bars at all on the ALC meter at any time, even when the USB soundcard
out, KX3 Mic Gain and WSJT-X power slider are set as high as their
maximums.
Am I forgetting a setting? Anything I can look at to troubleshoot the
ALC meter function?
Thanks much,
Frank K6FOD
Southern California
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