400W Series Installation Manual
Page iii
190-00356-02
Rev. G
2.4.1
GPS Antenna Location.........................................................................................................2-3
2.4.2
COM Antenna Location .......................................................................................................2-4
2.4.3
VOR/LOC Antenna Location...............................................................................................2-6
2.4.4
Glideslope Antenna Location...............................................................................................2-6
2.4.5
Electrical Bonding................................................................................................................2-6
2.4.6
Interference of GPS..............................................................................................................2-6
2.4.7
COM, VOR/LOC, and Glideslope Antenna Installation Instructions ..................................2-6
2.5
Mounting Considerations..............................................................................................................2-7
2.5.1
Determination of Acceptable Field-of-View........................................................................2-7
2.6
Cabling and Wiring Considerations............................................................................................2-11
2.7
Air Circulation and Cooling........................................................................................................2-11
2.8
Compass Safe Distance...............................................................................................................2-11
2.9
Installation Approval Considerations .........................................................................................2-12
2.9.1
Autopilot Interface Approval .............................................................................................2-12
2.9.2
Altitude Encoder/Air Data Computer Interface Approval .................................................2-12
2.9.3
Audio Panel Interface Approval.........................................................................................2-13
3.
INSTALLATION PROCEDURES...............................................................................................3-1
3.1
Unit and Accessories.....................................................................................................................3-1
3.2
Optional Accessories ....................................................................................................................3-2
3.2.1
GPS Antenna Options ..........................................................................................................3-2
3.2.2
GPS Antenna Doubler..........................................................................................................3-3
3.2.3
Other Accessories.................................................................................................................3-3
3.3
Database Options ..........................................................................................................................3-3
3.4
Miscellaneous Options..................................................................................................................3-3
3.5
Optional Reference Material.........................................................................................................3-3
3.6
Installation Materials Required but Not Provided ........................................................................3-4
3.6.1
Optional Accessories Not Supplied (GNC 420W and GNS 430W Only) ...........................3-4
3.6.2
Materials Required But Not Supplied (New Installations Only) .........................................3-4
3.7
Special Tools Required .................................................................................................................3-5
3.8
Cable Installation ..........................................................................................................................3-6
3.9
Equipment Mounting ....................................................................................................................3-8
3.9.1
Rack Installation...................................................................................................................3-8
3.9.2
400W Series Unit Insertion and Removal............................................................................3-8
3.9.3
Unit Replacement.................................................................................................................3-8
3.10
Antenna Installation and Connection............................................................................................ 3-9
3.10.1
GPS Antenna.................................................................................................................... 3-9
3.10.2
COM Antenna................................................................................................................3-10
3.10.3
NAV Antenna ................................................................................................................3-10
Summary of Contents for GNC 420AW
Page 2: ...400W Series Installation Manual 190 00356 02 Rev G ...
Page 149: ...400W Series Installation Manual Page C 1 190 00356 02 Rev G Appendix C RESERVED ...
Page 206: ...Page H 30 400W Series Installation Manual Rev G 190 00356 02 Figure H 17 GTX 330 Interconnect ...
Page 212: ...Page H 36 400W Series Installation Manual Rev G 190 00356 02 Figure H 21 RMI OBI Interconnect ...
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