Saturday, I was preparing my mobile station for the NCQP on Sunday. I was using external power to my K3 from a fully charged AGM battery. Running 50 watts into a good antenna, everything seemed okay; I made a lengthy 40M CW contact and next hooked up my laptop for logging. That's where I ran into trouble. I use N1MM Logger (ver 12.2.2), the serial port for rig control, and the parallel port for keying. However, I couldn't get the frequency to display, yet I could key the rig using N1MM. To make a long story short, I found that (using the K3's metering), my supply voltage was 12.3 volts. I substituted an AC supply (receive mode only because my inverter/converter was only rated for 75 watts!!!) that puts out 13.8 VDC, and VOILA! I got my frequency displayed. I didn't have time to figure out a solution, so I wound up operating without rig control...single band, "rover" class, CW only, and would type in my run frequency to set the logger. So, is the K3 serial port supposed to crap out when the rig's voltage supply isn't optimum? Bert, N4CW ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net
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