Thanks for this note. I had completely forgotten this capability. I have to use a second RS-232 port for keying my rig due to software restraints (N3FJP won't use same serial port for CW as CAT).
...bc nr4c On Tue, 24 May 2011 15:24:25 +0100, Brendan Minish wrote: > The requisite keying interfacing for DTR and RTS is ALREADY built > into > the K3 > you just need to enable it on the K3 > No need for any interface, just an RS232 cable > > On Tue, 2011-05-24 at 10:00 -0400, nr4c wrote: >> To decode the CW signals, (no transmit) all you need do is use a >> patch >> cord (1/8 inch stereo both ends) from the LINE OUT on bacxk of the >> K3 >> and connect to LINE IN or MIC IN on the computer sound card. >> >> For TX, see the uper partr of the schematic shown here: >> http://www.polar-electric.com/Morse/MRP40-EN/IF.gif, the part with >> the >> opto-couplers. A patch cord from computer OUT to K3 LINE IN Will >> get >> you the audio. The K3 already has transformer isolated in/out on >> the >> LINE interface. >> >> ....bc nr4c >> >> >> On Tue, 24 May 2011 09:34:11 +0100, Gavin Keegan wrote: >> > I would like to use the MRP40 CW program with my K3 (1336) >> connected >> > to >> > my laptop and need details of a suitable interface unit, >> preferably >> > homebrew. Can anyone help with either a design or details of a >> > proprietarily made unit please? Gavin Keegan - G6DGK >> > >> > ______________________________________________________________ >> > 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 >> >> ______________________________________________________________ >> 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 ______________________________________________________________ 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
