A lot of people seem to be having issues with it. I remember mine being a pain to get set up (mostly operator error) but it works fine now. I use it to switch amp keying from the KPA500 to the 2M amp when the 2M band is selected on the K3. When 2M is selected, the KRC2 energizes a relay that switches the key out of the K3 to the 2M amp. You do have to change the switch on the side from OP to DL before it will communicate with the computer. Also I believe you have to set the baud rate on the KRC2 with jumpers.

Mike
KI0HA

I purchased a used KRC2 band decoder. Going through the tests in the manual, it works with the buttons on the KRC2, but I can not get the unit to communicate with my computer. I downloaded the software from Elecraft, using Windows 7 or 10 and real serial ports (not usb-serial). What am I doing wrong? or is the unit bad? I have not hooked up the auxbuss to the K3 yet, wanted to make sure the bandmap and serial port work first.



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