Specifications

PTT Keying is selected using the CW Port
CW Port is COM 13, CW Keying uses DTR
PTT Keying is done by RTS on COM13
How to toggle from RX to TX (PTT)
Switching PTT ON/OFF is possible from the Monitoring window: Key button or K from the
keyboard. Moreover, the CW interface features an Auto TX feature.
TX Interrupt (advanced)
The TX interrup line allows detection of the RX/TX state via the DSR or CTS line. It is set up
for each transceiver as follow :

The Enabled check box (TX Interrupt frame) is usually not checked

Otherwise, you activate the TX Interrupt function by the one available circuit DSR or CTS
(often the CTS line is used by the RS-232 interface and is not available for this feature).
Notes

Do not check the TX Interrupt option if you don't need if because if your RS-232 interface uses
one of the DSR or CTS lines, the program could interpret this condition as a TX command

The TX Interrupt circuit must be electrically independent of the PTT line. If both PTT and TX
Interrupt are mixed, the program will not be able to distinguish a manual switching from a
switching via CAT (the effect is to lock the CW interface or VKE).
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