Table Of Contents - Garmin GDU 37X Installation Manual

PARAGRAPH
Section 1 GDU 37X Installation Overview ...................................................... 1-1
Unpacking Unit ................................................................................................................................... 1-1
Introduction ......................................................................................................................................... 1-1
System Overview................................................................................................................................. 1-1
General GDU 37X LRU Specifications .............................................................................................. 1-2
Garmin LRU Part Numbers .......................................................................................................... 1-2
Power Specifications..................................................................................................................... 1-2
Physical Specifications ................................................................................................................. 1-2
Cooling Requirements .................................................................................................................. 1-3
Mounting ............................................................................................................................................. 1-3
Wiring/Cabling Considerations ........................................................................................................... 1-3
Wiring Harness Installation .......................................................................................................... 1-3
Cable Location Considerations ..................................................................................................... 1-4
Cable Installation .......................................................................................................................... 1-5
Backshell Assemblies ................................................................................................................... 1-5
Section 2 GDU 37X ............................................................................................ 2-1
Equipment Description........................................................................................................................ 2-1
Navigation Functions .................................................................................................................... 2-1
Interface Summary........................................................................................................................ 2-1
Electrical Specifications ...................................................................................................................... 2-2
Electrical Characteristics .............................................................................................................. 2-2
Power Consumption...................................................................................................................... 2-2
GPS Specifications........................................................................................................................ 2-2
Antennas ....................................................................................................................................... 2-3
Environmental Specifications.............................................................................................................. 2-3
Installation Requirements................................................................................................................... 2-4
Required Accessories.................................................................................................................... 2-4
Additional Equipment Required ................................................................................................... 2-4
Installation Considerations .................................................................................................................. 2-5
Mounting Requirements ...................................................................................................................... 2-5
Unit Installation ................................................................................................................................... 2-5
Continued Airworthiness..................................................................................................................... 2-5
Panel Cutout Template ........................................................................................................................ 2-6
Section 3 Garmin GPS/XM Antennas.............................................................. 3-1
GPS Antennas...................................................................................................................................... 3-1
XM Antennas....................................................................................................................................... 3-1
Antenna Mounting Considerations...................................................................................................... 3-2
VHF COM/GPS Interference........................................................................................................ 3-2
GPS/XM Antenna Mounting Location ......................................................................................... 3-3
Buried Antenna (below the skin covering or glareshield) Mounting .......................................... 3-5
Antenna Doubler/Backing Plate ................................................................................................... 3-6
Antenna Grounding Plane............................................................................................................. 3-6
Antenna Grounding....................................................................................................................... 3-7
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TABLE OF CONTENTS

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GDU 37X Installation Manual
190-01054-01