Richard - I second your report, there is no fine adjustment for the USB
audio on the K3s either in received audio or transmitted audio. When the
band is noisy, I have to reduce LIN OUT to 01 or alternatively reduce
the overall system gain with the RF gain (which in the case of the K3
and K3s is IF gain).
When operating meteor scatter on 2M with an Elecraft K144XV transverter
I had to reduce the audio drive from the JT65 software to 50% to prevent
RF power out overshoot and hunting, typical in over-driven closed loop
systems. This allowed me to advance LIN IN and the end result was the
power detection system of the K3s settled down.
There are work-arounds.
Jim, W4ATK
K-Line, K2/10
On 6/26/2017 6:11 PM, Christopher Hoover wrote:
USB audio with the default settings has been fine for me from the first
day. Check your settings?
On Thu, Jun 22, 2017 at 10:31 AM, Dick via Elecraft <
elecraft@mailman.qth.net> wrote:
Hello Elecraft,
When feeding the audio from the K3S USB port to the CPU, the K3S audio
level is extremely high and way too hot for good performance on many
digital
modes.
Example, even with my CPU's sound card set at the lowest possible level of
"01" my K3S is hitting the JT-65 software with a super strong signal that
is much higher than the software wants to see and performance is degraded.
The same is true when operating RTTY using MMTTY or 2Tone software.
The USB audio output on the K3S needs to be adjustable in the K3S Menu as
it was on the K3 Serial port.
I wrote to you a few months ago about this without a positive reply.
Please address this serious issue.
Thank you-
Richard Van Zandt- K9OM
In a message dated 6/2/2017 7:28:48 P.M. Central Daylight Time,
elecraft-requ...@mailman.qth.net writes:
If you are using Line Out with a fixed gain setting to feed audio to
WSJT-X, adjusting the AF control will not do anything. What I do is leave
my RF gain control at its normal position (around 3 o'clock) and use the
slider at the lower left in the WSJT-X window to compensate for gain
variations.
73,
Rich VE3KI
W3FPR wrote:
Bret,
You may have better luck with running the RF Gain full and adjusting
with the AF gain. That way the RX AGC will smooth out variations in the
signal level.
73,
Don W3FPR
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