[Elecraft] Help with the KX3 and FT8

Jim Rhodes jimk0xu at gmail.com
Sat Mar 6 00:49:22 EST 2021


I did very little to set up FT modes on my KX3. Got a cheap USB sound card
with a line in jack. Use 2 stereo audio cables with 3.5 mm plugs at each
end. One from phones jack on KX3 to line in on sound card, Other cable goes
from mic connector on KX3 to speaker jack of sound card. Set mode to Data,
set submode to Data A. Using WSJT-X there is a rig selection for Elecraft
KX3. I set it up for CAT PTT if I remember correctly. Once you have the rig
set properly you need to set the levels, I find it is best to set both the
WSJT-X level slider about a third of the way up and the output level of the
sound card similarly. Then using the Tune button in WSJT-X adjust the
MIC/LINEIN pot on the KX3 to get 4 solid bars of ALC with the 5th one just
flashing then use Power setting to adjust output level. Adjust output level
to your sound card for a reasonable level on the waterfall display.

On Fri, Mar 5, 2021 at 6:56 PM Alan Geller via Elecraft <
elecraft at mailman.qth.net> wrote:

> With FT8 coming on strong as a popular communications and testing tool, it
> is
> tempting to dedicate your KX3 to this mode for a slice of time each day.
> There has been little to no
> update info for the KX3 with popular sound card interfaces (eg Signalink)
> as well as suggested
> settings for the KX3 and WTSJ-x itself. A little info would be very much
> appreciated from Elecraft or a crafty
> experienced user. Thanks in advance. alan….K6ADG
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-- 
Jim K0XU
jim at rhodesend.net


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