Roger Dallimore wrote: > Many thanks for all suggestions privately and to this list. > > I can confirm that; > > Ports have been checked with K3 utility > Checked correct port in device manager on PC > Did not stop after upgrading software > I am using KUSB with latest drivers since arrival of K3 #191 > K3 is set at 38400 baud > > I'm going to examine the transistor on the IO board. Apparently the > plastic transistors can degrade over time on older K3's and the voltage > drops under load to the RS232. Thanks to K1WHS for this suggestion.
Did you check the voltage to the K3? Low voltage from a battery once caused a PC communications problem for me. Jon LA4RT ______________________________________________________________ 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
