Hi, Awhile ago I posted saying that none of my straight keys or my external key worked reliably when plugged into the key input on the back of the 5000A. This is resolved now so thought I'd post the cause and solution.
The problem was caused by a combination of wiring and software. Table 2 in the manual seems to indicate that both the ring and tip should be connected to one side of a straight key and the sleeve to the other. This is not correct and wiring this way was the biggest cause of the problem. Apparently transitions on ring and tip cause separate interrupts and a simultaneous transition on both, as occurs when both are wired, generates two interrupts that tend to step on each other. After wiring only the tip and sleeve while leaving the ring unwired, my straight keys and external keyer worked much better. However, at the time, I was running an older version of PowerSDR from the CD that came with the 5000 (version 1.3.10). That version still had fairly frequent bobbles even with the new plug wiring. Switching to the latest SVN cleared things up pretty much completely and at this time both straight keys and my external keyer are working fine. 73, Mike - ke5akl _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kb.flex-radio.com/ Homepage: http://www.flex-radio.com/
