Modifications for the Yaesu 4PINMIC



19-07-1998 YAESU 4 PIN Microphone connections to TNC'S

                                       u
                                 1           4



                                 2           3
Pin 1 = Ground

Pin 2 = MIC input

Pin 3 = PTT (Push To Talk)

Pin 4 =

DISCLAIMER

The information above is given in good faith and I DO NOT, under any circumstances accept any liability.

NOTE

Please make sure that you are familiar with the pin numbers on the mic sokets (fitted to end of mic leads) before you make any connections.