Wayne, Instead of using an intial time delay, why not force the K3 to wait for a high-to- low transistion on the key line before it first transmits?
73, John, no8v ---- Original message ---- >Date: Fri, 27 Jun 2008 19:51:01 -0700 >From: wayne burdick <[EMAIL PROTECTED]> >Subject: [Elecraft] Re: K3 Key-down on power-up [Solution?] >To: Elecraft Reflector <elecraft@mailman.qth.net> > >Dave, > >I wanted to run a possible solution past you. > >I could prevent the rig from being keyed (by any method) during the >first couple of seconds that it's powered up. Instead, it could detect >this case, and display a repeating message (something like: "KEYLINE IS >ACTIVE") until you either remove the source of the keying or turn power >off. > >Thoughts on this? > >73, >Wayne >N6KR > > >Dave Hachadorian, K6LL wrote: > >> I've got my K3 set up for cw on Field Day with a laptop usb >> port driving a usb to serial converter. Rig control and cw >> keying are done over the serial cable, using the K3's >> built-in ability to send cw from pin 4(?) of the rs-232 >> cable. >> >> Everything works fine, but I got quite a scare when I turned >> on the K3 and it came up keyed-down 120 watts into no >> antenna. It seems that if the laptop is not running the >> logging program, rs-232 pin 4 can very well be in a key-down >> state. > > >--- > >http://www.elecraft.com > >_______________________________________________ >Elecraft mailing list >Post to: Elecraft@mailman.qth.net >You must be a subscriber to post to the list. >Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > >Help: http://mailman.qth.net/subscribers.htm >Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
