User Guide

Transmitter Adjustment
Measurement Adjustment
Item Condition
Test Instrument Terminal Part Method
Specifications/
Remarks
4. TX
Frequency
Not enter adjustment
item, but switch to 2CH
Radio
Communication
Test Set
ANT Adjust VR801
Adjust channel
frequency
Error<50Hz
High Power:
PO=23~25WW
I≤8.0A
Check High
Power
5. TX Power
Each CH corresponds
to a specific TX freq;
enter the item “0”, ‘1” in
turn, to adjust High/Low
power.
Radio
Communication
Test Set
Ammeter
ANT
Adjust software
setting &
VR101; press
[P2] to save the
setting and
move to the
next item.
Low Power:
PO=5±0.5W
I≤5.0A
Check Low
Power
Check the deviation of
Hi/Mid/Low channel:
4.0±0.1KHz(W)
Check the deviation of
Hi/Mid/Low channel:
2.4±0.1KHz(W)
6. Max.
Deviation
1. Each CH
corresponds to a
specific TX freq; enter
the item “2” and adjust
“0.”、 “1.”、 “2.”、 “3.”、
“4.”
Radio
Communication
Test Set
Filter:
0.05-15KHz
AF：1KHz
75mV
ANT
MIC Jack
Adjust software
setting; press
[P2] to save the
setting and
move to the
next item.
Check the deviation of
Hi/Mid/Low channel:
1. 9±0.1KHz (N)
7. Modulation
Sensitivity
Check deviation:
2.6KHz-3.4KHz (W)
2.2KHz-2.7KHz (M)
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
7.5mV
ANT
MIC Jack
≤5%
Check
9. CDCSS
Balance
Each CH corresponds
to a specific TX freq;
enter item “3”
Radio
Communication
Test Set
Filter
LPF: 300Hz
ANT
Use “UP”, “DN”
key to set
CDCSS
Check
waveform
10. CTCSS Each CH corresponds Radio ANT Use “UP”, “DN” Adjust deviation to