Wunder,
PTT via CAT command does not require any extra wiring, it uses the
RS-232 control cable to provide the command listed in the K3/KX3
Programmer's Reference to activate Transmit. It works well with the K2,
K3/K3S, KX3 and KX2.
Quite different than using the 'one transistor keying device' on the DTR
or RTS signal lines.
I use PTT via CAT command successfully on all my Elecraft rigs, and no
other wiring is required.
Yes, you can use VOX on the K3/K3S, KX3 and KX2. The VOX on the K2 will
not provide reliable transmit triggering.
73,
Don W3FPR
On 7/8/2018 5:22 PM, Walter Underwood wrote:
You can use VOX instead of wiring up some sort of PTT or using CAT PTT.
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