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Handset Unit
Transmitter Section
Connections
Power
Meter
Frequency
Counter
Deviation
Meter
Preset
a) Connect DC power supply to battery connector on the handset unit.
b) Turn the DC power supply ON while pressing " ∗ " and " # " keys, and keep pressing the keys continuously for
approximate 2 seconds.
c) Release keys when entering TEST mode 1 with TALK LED lighting and beep.
Alignment Procedure
step
Adjustment
RT601
1
(TX Power)
CT601
2
(TX Frequency)
RT602
3
(TX Modulation)
Alignment Point Location on Handset Main PCB
HAND Main PCB
J601
MC601
RF
HANDSET Unit
Test Point
J601
Battery
MIC+Pin
Connector
RF
Test Point
Connect the RF power Meter to the RF test point on the handset MAIN PCB.
Adjust RT601 for a -5.0dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the handset MAIN
PCB. Adjust CT601 to make sure that the frequency is 903.052467 MHz.
Press the "2" key to enter the TEST Mode 2. Connect the AF Generator to
the MIC Connector. Make sure that the output is 1kHz 9mV from the AF
Generator.
Connect the Deviation Meter to the RF test point on the handset MAIN PCB.
Adjust RT602 to indicate ±8 kHz Dev.
RT602
— 6 —
AF GEN.
1kHz 9mV
DC Power Supply
DC 3.8V
Remarks
RF Test Point
RT601
CT601
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