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2. Check the LNB. Replace the LNB.
3. If the problem is not resolved, please check the PCU.
Symptom #15
The GPS LED is off.
Check Point
1. Check the GPS antenna. Replace the GPS antenna.
2. Check the cable connection between the PCU and the GPS antenna.
Symptom #16
The GPS LED blinks continuously after about 20 minutes.
Check Point
1. Check the GPS antenna. Replace the GPS antenna.
2. Check the cable connection between the PCU and the GPS antenna.
Symptom #17
The antenna is tracking, but the modem is not locked.
Check Point
1. Please confirm that the target satellite of the ACU and the target
satellite of the modem are the same.
2. Check the state of the GPS data. Is the GPS LED on?
3. Check the cable connection between the ACU and the modem,
console, and RX.
4. In the case of the TDMA modem, check the GPS data on the modem.
Symptom #18
RX is locked but the link is not locked on the modem.
Check Point
1. Check the TX voltage on the ACU or modem. Is the TX voltage of the
ACU or modem within the input voltage range of the BUC?
2. Check the TX frequency of the modem.
3. Check the cable connection between the BUC and the TX port on the
modem or ACU.
Symptom #19
The antenna is tracking, but the AGC or C/N level is lower than the
Summary of Contents for Ku-BAND RX
Page 1: ...INSTALLATION AND OPERATION MANUAL FOR VSAT VS61 Ku BAND TX RX ANTENNAS...
Page 15: ...7 Figure 3 1 Best Location Figure 3 2 Antenna Blockages...
Page 46: ...38 Figure 4 1 Step 1 of Reference Searching Definition...
Page 65: ...57 Figure 6 3 Co pol Kits Optional...
Page 120: ...d Appendix C Layout of Radome and Antenna Mounting Holes Figure C 1 Plastic Radome...
Page 121: ...e Figure C 2 FRP Radome Option...
Page 122: ...f...
Page 123: ...g Maritime Satellite Antenna...