Bingo! It had been reset from 38400 to 9600. I have no idea how or when. Thanks for the clue.

73 Bill AE6JV

(BTW, did I say that I hate RS232. With all the parameters that can go wrong, and many strange voltage conventions, it seems to be an interface designed to cause problems.)

On 4/26/18 at 9:19 PM, johnn...@gmail.com (John_N1JM) wrote:

Is the *host serial port baud rate* set correctly in the PX3?

John N1JM


Bill Frantz wrote
I'm sitting in New Hampshire and I find I can't get my computer to talk to the KX3 when it goes through the PX3 using the ACC1-PC jack. The computer can talk to the KX3 when plugged in directly to ACC1 jack on the KX3, and the PX3 can get the frequency data when plugged into the same jack.

I have the same problem with both wsjt-x and RUMlogNG, so I don't think the problem is in the computer software. The USB <--> RS232 seems to be working, so I suspect the PX3.

Does anyone have any suggestions for something to fix to get both the computer and the PX3 to talk to the KX3? (I'm low on test equipment here, but I do have a DVM.)
-------------------------------------------------------------------------
Bill Frantz        | Airline peanut bag: "Produced  | Periwinkle
(408)356-8506 | in a facility that processes | 16345 Englewood Ave www.pwpconsult.com | peanuts and other nuts." - Duh | Los Gatos, CA 95032

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