Noel,
The KX3 does not have an FSK input. You will have to move up to the K3S
to have that.
You cannot use a CW Keyer (external) for FSK - you must use paddles
directly attached to the internal keyer in the KX3.
The easiest way is to use AFSK A data submode along with a soundcard and
a computer.
If you have a computer application that can send ASCII text (via the
"KY" commands (see the programmers reference manual), then you can send
in FSK D mode.
Despite what is often said about soundcard generated AFSK, in the
K3/K3S, it is actually cleaner than FSK. I figure that is also true of
the KX3, although I do not have any data on that.
73,
Don W3FPR
On 3/19/2018 7:12 PM, NOEL POULIN wrote:
Hello,
I was reading the KX3 manual, and I do not see how to hook an FSK
interface to the KX3,.
I want to use it in RTTY (FSK) and I am looking where should I connect
the interface.
I do not want t o use a cw keyer to for rtty....
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