PIN 1    FAST SCAN. ( red )
                    PIN 2    GROUND. ( brown )
                    PIN 3    PTT. ( yellow  )
                    PIN 4    MIC. ( white )
                    PIN 5    MIC GROUND. ( black )   
                    PIN 6    + 5 VOLTS. ( green )
                    PIN 7    UP. ( blue )
                    PIN 8    DOWN. ( black )