PIN 1    FAST SCAN.  YELLOW
                    PIN 2    GROUND.     BLACK
                    PIN 3    PTT.        RED 
                    PIN 4    MIC.        WHITE
                    PIN 5    MIC GROUND. SHIELD  
                    PIN 6    + 5 VOLTS.  PURPLE
                    PIN 7    UP.         PINK
                    PIN 8    DOWN.       BROWN