User's Manual

FCC ID : U88GSTR-TRIT-SPR
HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD.
SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA
TEL:[phone] FAX:[phone] www.hct.co.kr
22
4.2 Troubleshooting
In case, abnormal operation is detected, user should check abnormal parts via remote accessible
function or field debug, then conduct repair after turn it off.
4.2.1 Necessary Testing and Measuring equipment
a. RF Power Meter: 10Watt Max, 50ohm
b. Signal Generator: 3GHz
c. Spectrum Analyzer: 3GHz
d. Multi Meter
4.2.2 Notice
a. Trouble shooting should be performed with drastic knowledge basis.
b. Unsure parts should not be disassembled.
c. When in trouble shooting, technician should use attenuator to check output side.
4.2.3 Simple trouble shooting method
a. In not important trouble, technician adjust the unit via remote accessible function or field debugging
and should verify the reason of trouble.
b. Each Alarm LED included in each module should be verified trouble.
Normal operation: Green light On. Alarming: Red LED on
c. Technician should check external and internal connectors then fasten them. Those connectors
should be cleaned up regularly.
d. If technician think this is heavy problem, call after sales team immediately.
Report No. : HCT-R07-020 22/37