RMU800A SERVICE MANUAL
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133
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Transmitter
Check deviation at CH
L/C/H:
3.75±0.1KHz(W)
6. Max.
Deviation
1. Each Ch corresponds
to a specific TX Freq
,
enter adjustment item
“3”
,
turn to CH (C),
CH(L), CH(H), CH(nC)
Radio
Communication
Test Set
FILTER:
0.05-15KHz
AF:1KHz 50mV
ANT
MIC Jack
Adjust software
settings, press
[PF6] to save
and enters the
next item
Check deviation at CH
L/C/H: 1.75±0.1KHz
(N)
7.
Modulation
Sensitivity
Check deviation:
2.6KHz-3.4KHz (W)
1.3KHz-1.7KHz (N)
8.
Modulation
Distortion
1. Each Ch corresponds
to a specific TX Freq
Radio
Communication
Test Set
FILTER:
0.05-15KHz
AF:1KHz
5mV
ANT
MIC Jack
≤
3%
Check
9.CDCSS
Balance
Each Ch corresponds to
a specific TX Freq
,
enter adjustment item
“4”
Radio
Communication
Test Set
FILTER
LPF: 300Hz
ANT
Change
CDCSS
settings with
Selector
Knob
Check
waveform
Measurement Adjustment
Item Condition
Test Instrument Terminal
Part
Method
Specification
/Remarks
4.TX Frequency
Enter adjustment item
“
1
”
, each Ch
corresponds to a
specific TX Freq
Radio
Communication
Test Set
ANT
Adjust software
settings
Adjust to CH frequency
Error <50Hz
High power:
PO=45±1.0W
I
≤
12.0A
Check High
power
Middle power:
PO=25±1.0W
I
≤
8.0A
Check Middle
power
5.TX Power
Each Ch corresponds
to a specific TX Freq
,
enter adjustment item
“2”
,
adjust H/M/L power
Radio
Communication
Test Set
Ammeter
ANT
Adjust software
setting(first value
is 220)and
VR101
,
press
[PF6] to save
and enters the
next item.
Low power:
PO=5±0.5W
I
≤
5.0A
Check Low power
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