Have the subject RFTG unit. Bought an RS-422 to USB converter, found a simple terminal emulator (PuTTY), and scoured KO4BB's site. Discovered that the pins for the otherwise unlabeled "RFTG-m RS-422 INTERFACE" drawing were reversed, and that you don't connect R to R and T to T. The diagnostic software on KO4BB's site will not run on modern Windows systems (sorry, I used Unix in the eighties but it's all windows now).
Every second, PuTTY shows the string :110000000000000000E109FB with the initial Failed status and :100000000000000000E109FA when the green light comes on after about 20 minutes. Does anyone know how to decode that string (presumably hex)? The strings were copied from the PuTTY screen with ^C, not manually transcribed. The RFTG unit does not acquire GPS lock after 32 hours. I had hoped that the status message would tell me why it isn't locked. Note that this is the 1998 version, not the newer ones. Any clues to documentation appreciated. Bill Hawkins _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
