Sea Tel 9497B-21 - Page 7

Table of Contents
vii
7.2.4. Azimuth & Elevation Drive ......................................................................................................................................................... 7-2
7.2.5. Test Tracking ..................................................................................................................................................................................... 7-2
7.2.6. Visual Inspection - Radome & Pedestal .......................................................................................................................... 7-2
7.2.7. Mechanical Checks ........................................................................................................................................................................ 7-2
7.2.8. Check Balance ................................................................................................................................................................................... 7-2
7.2.9. Observe Antenna Initialization ............................................................................................................................................... 7-2
7.3. 400MHZ MODEM CONFIGURATION .............................................................................................................................................................. 7-3
7.4. 400 MHZ LED INDICATORS ............................................................................................................................................................................. 7-4
7.5. 400 MHZ MODEM SIGNALS............................................................................................................................................................................. 7-4
7.5.1. Pedestal M&C .................................................................................................................................................................................... 7-4
7.5.2. Radio M&C .......................................................................................................................................................................................... 7-5
7.5.3. Channel Identification ................................................................................................................................................................. 7-5
7.6. TROUBLESHOOTING 400MHZ MODEM COMMUNICATION FAULTS ..................................................................................................... 7-6
7.6.1. 400MHz Modem Queries: .......................................................................................................................................................... 7-6
7.6.2. Modem Query Methods .............................................................................................................................................................. 7-6
7.6.3. Isolating a 400 MHz Modem Fault Procedure: ............................................................................................................. 7-8
7.7. TROUBLESHOOTING ........................................................................................................................................................................................... 7-11
7.7.1. Theory Of Stabilization Operation ..................................................................................................................................... 7-11
7.7.2. Series 97B-21/00B-21 Dual C-Band OR Quad Ku-Band TVRO RF Flow ..................................................... 7-12
7.7.3. Antenna Initialization (Series 97B & Series 00 ) ........................................................................................................ 7-12
7.7.4. Troubleshooting using DacRemP ....................................................................................................................................... 7-13
7.7.5. Antenna Loop Error Monitoring .......................................................................................................................................... 7-14
7.7.6. Reference Sensor Monitoring .............................................................................................................................................. 7-15
7.7.7. Open Loop Rate Sensor Monitoring ................................................................................................................................. 7-17
7.7.8. Open Loop Motor Test .............................................................................................................................................................. 7-18
7.7.9. To Disable/Enable DishScan .................................................................................................................................................. 7-18
7.7.10. Satellite Reference Mode ........................................................................................................................................................ 7-18
7.7.11. To Read/Decode an ACU Error Code 0008 (Pedestal Function Error): ....................................................... 7-19
7.7.12. Remote GPS LAT/LON Position: ........................................................................................................................................... 7-21
7.8. MAINTENANCE ................................................................................................................................................................................................... 7-22
7.8.1. Balancing the Antenna ............................................................................................................................................................. 7-22
7.8.2. To Adjust Tilt: .................................................................................................................................................................................. 7-23
7.8.3. To Reset/Reinitialize the Antenna: ..................................................................................................................................... 7-25
7.9. PEDESTAL CONTROL UNIT CONFIGURATION (XX97B & XX00) ............................................................................................................ 7-25
7.9.1. To configure the PCU; ............................................................................................................................................................... 7-25
7.9.2. MODEL CONFIGURATION NUMBERS ............................................................................................................................ 7-25
7.10. ANTENNA STOWING PROCEDURE .................................................................................................................................................................. 7-26
8. 9497B-21 TECHNICAL SPECIFICATIONS .................................................................................................................................. 8-1
8.1. 9497 ANTENNA REFLECTOR ............................................................................................................................................................................. 8-1
8.2. FEED ASSEMBLIES ................................................................................................................................................................................................. 8-1
8.2.1. TVRO-21 Dual C-Band / Quad Ku-Band Feed Assembly .......................................................................................... 8-1
8.3. STABILIZED ANTENNA PEDESTAL ASSEMBLY ................................................................................................................................................ 8-2
8.4. PEDESTAL CONTROL UNIT (PCU) .................................................................................................................................................................... 8-2
8.5. 400 MHZ BASE & PEDESTAL UNLIMITED AZIMUTH MODEMS (3 CHANNEL) .................................................................................... 8-3
8.6. 144” RADOME ASSEMBLY ................................................................................................................................................................................. 8-3
8.7. ENVIRONMENTAL CONDITIONS (ADE) ........................................................................................................................................................... 8-4
8.8. CABLES .................................................................................................................................................................................................................... 8-4
8.8.1. Antenna Control Cable (Provided from ACU-MUX) 8-4