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Base Unit
Transmitter Section
Connections
Preset
Press the "PAGE" key about 3.0 seconds while truning the power on.
Alignment Procedure
step
Adjustment
RT301
1
(TX Power)
CT1
2
(TX Frequency)
RT3
3
(TX Modulation)
Alignment Point Location on Base Main PCB and Base RF PCB
Base Main PCB
ALIGNMENT PROCEDURE
RF
Test Point
Power
Meter
RF
Test Point
Frequency
Counter
Deviation
Mater
Connect the Power Meter to the RF test point on the Base MAIN PCB.
Adjust RT301 for a -8.5dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the Base MAIN
PCB. Adjust CT1 to make sure that the frequency is 926.897468 MHz.
Press the "PAGE" key. Connect the AF Generator to the TEL Line Jack on
the Base Main PCB. Make sure that the output is 1 kHz -15dBm from the AF
Generator.
Connect the Deviation Meter to the RF test point on the Base MAIN PCB.
Adjust RT3 to indicate ±8 kHz Dev.
RT3
Base RF PCB
CT1
S4
S3
BASE Unit
J4
J1
DC IN
TEL Line
1kHz -15dBm
9V Jack
Jack
Remarks
RT301
RF Test Point
3
AF GEN.
AC
AC 120V
Adapter
60Hz
J1
TEL LINE Jack
J4
DC IN 9V Jack
TONE
S1
PULSE/TONE Switch
PULSE
ON
S2
RINGER OFF-ON Switch
OFF
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