On 15/10/2021 15:57, Bill Somerville via wsjt-devel wrote:
the TS-450S and TS-690S use RTS/CTS hardware handshake flow control. I
have never see a rig with a serial CAT interface that uses XON/XOFF flow
control, RTS/CTS is ubiquitous on Kenwood rigs with the exception of
some handhelds that only have a 3-wire CAT serial connection, and more
recent rigs that have a menu option to disable the default RTS/CTS
hardware handshake flow control.
Your interface may loop RTS and CTS at the rig end, that will provide a
default RTS signal and will work with no flow control settings at the PC
end.
Yes it does only have 3 wires in the DIN plug to the rig from the
dongle, I had never opened it previously.
It has worked with handshake=None in wsjtx in the past, but XONXOFF
always worked with all digital radio software, so I had always left it
at that setting.
It always needed the one stop bit, not two, contrary to the manual.
Bring back parallel ports! :)
Cheers,
Barry
G4MKT
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