See the K3 manual documentation on CONFIG:PTT-KEY for using RTS and DTR on the serial cable for PTT and Key lines. Use the PDF search in the PDF reader function to look up PTT in the manual PDF for a quick find.
73, Guy. On Thu, Jan 13, 2011 at 9:10 AM, Doug VE3VS <[email protected]> wrote: > > I have been enjoying operating my K3 for several months. One of my > interests > includes RTTY. > > I use the latest MMTTY software (AFSK), have the two audio lines connected, > and use VOX to operate this mode. At the same time, the serial cable from > the computer to the radio remains connected. > > Question - Is there a set-up that will allow the computer to signal PTT > through the serial cable in order to transmit the RTTY tones, rather than > enabling the VOX switch? > > Doug, VE3VS > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K3-Another-push-to-talk-question-tp5918290p5918290.html > Sent from the [K3] mailing list archive at Nabble.com. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html

