User's Manual
Table Of Contents
FCC ID : U88GSTR1930DT-SPR       
HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. 
SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA 
TEL:+82 31 639 8517  FAX:+82 31 639 8525 www.hct.co.kr 
20
Check in 
Advance 
* Check points before open for 
service 
* Please check quantity of all accessories with specification 
before you set up. 
* Fit cable length in accordance with field condition. 
* Set up Donor antenna to assure enough Isolation (More 
than 97dBc) 
Check 
after 
open 
* Check points after open for service 
* Check following status 
- Fixable level of antenna support pole 
- Connection status between antenna and RF cable 
- RF Cable construction and fixed status 
- fix of repeater and installation status 
- Electricity construction and proper AC power status 
- Plug status and electricity voltage status 
- wall socket and voltage status 
- Grounding (EARTH) status 
- Direction of Donor antenna 
(PN Offset and neighborhood BTS to be considered.) 
- Ground status of repeater (unit itself) 
- Coaxial cable construction status 
- Connector combiner connection status 
- Cable connection status against leakage of water 
4.2.4 Trouble shooting guide related to RF 
Symptom  Check Point  Troubleshooting 
When repeater 
does not work 
properly 
* Checking Electricity Cord 
connection status 
* Re-plug in AC power cord 
Same as above 
* Checking electricity input to 
AC power outlet. 
* Please verify AC power input by using DVM (Digital Voltage 
Meter) 
Report No. : HCT-R07-013     20/33 










