Mike,
The same COM port can be used for both control and PTT. You must set
the K3 KEY-PTT menu to the correct setting (depends on the PTT setting
you have chosen in your software application. If the red TX indicator
does not turn on, you have not set it correctly.
OTOH, using PTT via CAT command works reliably (with PTT-KEY set to
OFF-OFF), and I recommend that. Alternately, VOX works reliably in DATA
modes, so that is a good second alternative.
If the TX LED turns on, the K3/K3S/KX3/KX2 is in transmit mode (so no
problem with that), but if you do not get proper transmit, check the
audio levels as I indicated in the last 2 emails I have sent on this
subject.
Two different problems - 1) failure to turn on transmit (PTT problem)
and 2) Insufficient (or excessive) audio from the soundcard. Each one
has its separate indicators.
73,
Don W3FPR
On 2/18/2018 7:14 PM, Michael Eberle wrote:
I am assuming you are running WSJT-X.
I don't think you can use the same COM port for the CAT Control and PTT
Method. If you don't want to use a separate COM port for PTT then you
should be able to get it to work by selecting CAT instead of DTR.
Mike - KI0HA
On 2/18/2018 16:00, James Bobo wrote:
Just trying to get on FT8 with K3. Receive fine but unable to
transmit. Settings are as follows:
Com1, 38400,DB 8,2,No handshake,DTR Com1, Data/Pkt
What am I doing wrong? Any help would be appreciated.
73, Jim, W5ODD
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