No, I didn't write that > > > > Be certain the Transistor is a PNP if Positive > > > keying. > > > Be certain the correct polarity is used from the > > > RTS. This what I wrote, and I see 2 typos. > Probably just a typpo on the "PNP", but you cannot use RTS on a NPN > circuit. RTS is normally about -12 v at idle Should have been "cannot use RTS on a PNP" ):< Ed