I had a K3 in service (now a spare) for about 8 years before getting a K3S. I
didn't do WSJT but some RTTY and PSK using the Line In/Out into my Lenovo laptop
internal sound card. Worked like a champ, started with zero and now have 255
countries on RTTY.
I tried to use the K3S USB sound and got tired of the incessant need to fuss
with drive and VOX levels. I requested many times for firmware that would save
VOX settings by mode to no avail. (When I had another issue, Elecraft Support
actually told me that they didn't recommend VOX on digital modes.)
I've returned to using the analog audio in/out of the radio and the laptop sound
card, which is higher quality anyway. (I have a TASCAM US-100, highly
recommended by the resident audio guru, but haven't found it to be any
advantage.) This also makes it easier to resort to the spare radio when necessary.
Wes N7WS standing by for the flack from the faithful.
On 10/1/2018 8:49 AM, Mike Greenway wrote:
I have used for years a K3 on EME with WSJT using Line In/Out audio. Recently
got a K3S and I am now using USB (CODEC) audio in and out of the radio. In
WSJT-10 they have Rate In/Rate Out monitors that should normally run at 1.000.
Using the K3 analog audio these always stayed right on 1.000 but now that I am
using the USB audio they are jumping around quite often and getting out of
range indicated in WSJT with a red marker. I have tried two different
computers and the same result. I tried changing the sample rate in the
computer audio settings but no change in the problem. I plan to go back to
analog Line In/Out on the K3S unless someone has an idea on how to settle down
the Rate In/Out fluctuations. I have not found anything in the K3S that might
affect this. You can reply off line if you like. 73 Mike K4PI
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