DR600 Service Manual
Voltage Range: 1mV~10V
Audio Generator
Measurement Range: 50Hz~5KHz or higher
Output: 0~1V
Spectrum Tester
Capacity: 3% or lower at 1KHz
Input Level: 50mV~10Vms
Spectrum Analyzer Measurement Rnage: 100~3GHz or higher
5Ω dummy load
100W
Voltage Stabilization Power
Supply
Output Voltage: 5V~30V; Current: 20A
Integrated Tester HP8921, IFR3920
9. Troubleshooting
No. Problems Causes and Solution
1 Short coverage
1. Check the duplexer isolation, and whether the insertion loss
meets the requirement.
2. Check if there is any feeder connecting damage or abnormality.
3. Check if the antenna frequency range matches with the
repeater, and check if the antenna is broken.
4. Check if there is high power radio antenna beside the repeater
2 Unable to repeat
1. Check if the settings such as terminal frequency, CTCSS,
CDCSS, color code, repeater slot are correct.
2. Check if there is interference on the uplink frequency.
3. Beyond the communication scope.
3 Unable to receive
1. Bad antenna contact. Please fix the antenna tightly.
2. Inconsistent frequency between Tx and Rx. Please select the
same frequency.
3. Beyond the communication scope.
4
Rx green light is on
without being able to
repeat
Check if the settings such as terminal frequency, CTCSS, CDCSS,
color code, repeater slot are correct.
47
To Next Page
Loading...
Need help?
General
