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Base Unit
Transmitter Section
Connection
Power
Meter
Frequency
Counter
Deviation
Meter
Preset
a) Connect the base RF unit to the base main unit.
b) Set the "TONE/PULSE" switch to PULSE.
c) Connect the AC adapter to the base unit while pressing the "PAGE" key, and keep pressing it continuously for
approximate 2 seconds.
d) Release the "PAGE" key when entering TEST mode 1 with IN USE LED lighting.
Alignment Procedure
Step
Adjustment
VR202
1
(TX Power)
CT201
2
(TX Frequency)
RT2
3
(TX Modulation)
Alignment Point Location on Base Main PCB and Base RF PCB
Base Main PCB
ALIGNMENT PROCEDURE
RF
BASE RF PCB
Test Point
RF
Test Point
RF
Test Point
Connect the Power Meter to the RF test point on the Base RF PCB. Adjust
VR202 for a −6.5 dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the Base RF PCB.
Adjust CT201 to make sure that the frequency is 926.893873 MHz.
Press the "PAGE" key to enter the TEST Mode 2. Connect the AF
Generator to the TEL Line Jack on the Base Main PCB. Make sure that the
output is 1 kHz 77.5 mV from the AF Generator.
Connect the Deviation Meter to the RF test point on the Base RF PCB.
Adjust RT2 to indicate ±8 kHz Dev.
RT2
Base RF PCB
CT201
BASE MAIN PCB
J2
J3
DC IN
TEL Line
1kHz 77.5mV
9V Jack
Jack
Remarks
J201
VR202
— 2 —
AF GEN.
AC
AC 120V
Adapter
60Hz
J3
TEL LINE Jack
J2
DC IN 9V Jack
T
S2
T/P Switch
P
RF TEST POINT
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