Hi, Robert,
Here my I/O conf.:
IO settings control:
IN0 mode keyer
OUT0 mode keyer
OUT1 mode keyer
OUT2 mode keyer
USB RTS as PTT disabled
USB DTR as CW disabled
IO settings radio:
OUT0 mode I/O keyer
OUT0 on/off
OUT1 mode I/O keyer
OUT1 on/off
OUT2 mode I/O keyer
OUT2 on/off
3,5mm stereo cable from radio pad out to key TS-590 radioside.
Look at manual RRC-1258 MKII: keyer
73
Willi