During OS startup and device driver initialization the rs-232 control lines (DTR and or RTS) are sometimes wiggled. If your K3 is configured to PTT or KEY on these RS-232 signals, it can transmit. Check k3 config PTT-KEY.
This happened to me a lot when I used this keying technique with N1MM. 73 de Dick, K6KR > On Nov 12, 2015, at 07:05, John Lawrence via Elecraft <elecraft@mailman.qth.net> wrote: > > Exactly, I get a series > of PTT key up pulses in a series of, " - - - - - - - " each dash representing the short PTT keyup > pulses on the K3 and it's always the seme series of PTT key ups. Something has changed but it isn't the FTDI driver. The command is coming from the Win 7 OS generating it with the FTDI driver. Is there something in the BIOS that has changed? This is the Elecraft FTDI chip set cable. > > Any Windows 7 gurus who can help me? > > Thanks > > > > John, W1QS > > > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net Please help support this email > list: http://www.qsl.net/donate.html Message delivered to > d...@elecraft.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
