5 - 35-3 PLL ADJUSTMENTPLL LOCKVOLTAGEPLLREFERENCEFREQUENCY12341• Operating frequency : 440.000 MHz• Receiving• Operating frequency : 490.000 MHz• Receiving• Operating frequency : 440.000 MHz• Transmitting• Operating frequency : 490.000 MHz• Transmitting• Operating frequency : 440.000 MHz• TransmittingMAINRearpanelConnect a digital multi-meter or an oscillo-scope to the checkpoint “LV”.Loosely couple a fre-quency counter to theantenna connector.2.0 V7.0–13.0 V2.0 V7.0–13.0 V490.0000 MHzMAINMAINL38VerifyL43VerifyR376ADJUSTMENT ADJUSTMENT CONDITIONSUNIT LOCATIONVALUEUNIT ADJUSTMEASUREMENT ADJUSTMENTDC power supply13.2 V/15 AL.V.PLL lock voltagecheck pointL38Rx PLL lock voltageadjustmentL43Tx PLL lock voltageadjustmentR376Reference frequencyadjustment• MAIN UNIT