SAC SA100, Manual

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SOUTHERN AVIONICS COMPANY
Model SA100 Dual viii Contents
3.2 “H” Antenna ...................................................................................................... 3-2
3.3 50-Foot Guyed Mast Antenna........................................................................... 3-2
3.4 Symmetrical “T” Antenna .................................................................................. 3-2
4 Installation and Operation...................................................................................... 4-1
4.1 Transmitter Installation ..................................................................................... 4-1
4.2 Local Radiobeacon Control Unit ....................................................................... 4-5
4.3 Remote Radiobeacon Control Panel ................................................................ 4-5
4.4 Load Center Battery Chargers (Optional) ......................................................... 4-7
4.4.1 Rack Mount Load Center/Battery Charger Theory of Operation .............. 4-7
4.4.1.1 Load Center/Battery Charger Installation......................................... 4-8
4.4.1.2 Alignment Procedure Rack Mount Version .................................... 4-13
4.4.1.3 Parts List ........................................................................................ 4-14
4.4.2 Outdoors (Standalone) Load Center/Battery Charger Theory of Operation4-
17
4.4.2.1 Alignment Procedure Standalone Version ..................................... 4-23
4.4.2.2 Parts Lists ...................................................................................... 4-25
4.5 Initial Transmitter Setup.................................................................................. 4-27
4.6 Transmitter Check .......................................................................................... 4-28
4.7 Antenna Tuneup ............................................................................................. 4-28
4.8 Modulation Adjustment ................................................................................... 4-29
4.8.1 Code Tone Modulation Adjustment ........................................................ 4-30
4.8.2 Voice Modulation Adjustment................................................................. 4-30
4.8.3 VSWR..................................................................................................... 4-30
4.8.4 Monitor Adjustment-Voice System ......................................................... 4-31
4.8.5 Monitor Adjustment-Nonvoice System ................................................... 4-31
4.8.6 Automatice Shutdown Test .................................................................... 4-32
4.8.7 Dual System (Optional) .......................................................................... 4-32
5 Maintenance ............................................................................................................ 5-1
5.1 Alignment and Adjustment................................................................................ 5-1
5.1.1 Power Supply Check ................................................................................ 5-1
5.1.2 Synthesizer Adjustment............................................................................ 5-1
5.1.3 Tone Key PWB......................................................................................... 5-2
5.1.4 Keyer ........................................................................................................ 5-2
5.1.5 Filters........................................................................................................ 5-2
5.1.6 RF Section Check .................................................................................... 5-2