Garmin GNC 420AW Installation Manual - page 8
Page iv
400W Series Installation Manual
Rev. G
190-00356-02
3.11
Weight and Balance ....................................................................................................................3-10
3.12
Electrical Load Analysis .............................................................................................................3-11
3.13
AFMS Completion – Based on Autopilot Type .........................................................................3-12
3.13.1
Autopilot Listed in 400W/500W Series AML STC ......................................................3-12
3.13.2
Autopilot Not Listed in 400W/500W Series AML STC ...............................................3-13
4.
SYSTEM INTERCONNECTS .....................................................................................................4-1
4.1
Pin Function List...........................................................................................................................4-1
4.1.1
P4001 Main Connector ........................................................................................................4-1
4.1.2
P4002 COM Connector (GNC 420W and GNS 430W Only)..............................................4-3
4.1.3
P4006 NAV Connector (GNS 430W Only) .........................................................................4-4
4.2
Power, Lighting, and Antennas.....................................................................................................4-5
4.2.1
Power....................................................................................................................................4-5
4.2.2
Lighting Bus.........................................................................................................................4-5
4.2.3
Antennas...............................................................................................................................4-5
4.3
Altitude Gray Code .......................................................................................................................4-6
4.4
Main Indicator...............................................................................................................................4-7
4.4.1
Main Indicator Function.......................................................................................................4-7
4.4.2
Main Indicator Electrical Characteristics .............................................................................4-7
4.4.3
Main Indicator Configuration ..............................................................................................4-8
4.4.4
Main Indicator Calibration and Checkout ............................................................................4-8
4.4.5
Main Indicator Interconnect .................................................................................................4-8
4.5
Annunciators/Switches .................................................................................................................4-9
4.5.1
Annunciators/Switches Function..........................................................................................4-9
4.5.2
Annunciators/Switches Electrical Characteristics..............................................................4-11
4.5.3
Annunciators/Switches Configuration ...............................................................................4-11
4.5.4
Annunciators/Switches Calibration and Checkout.............................................................4-11
4.5.5
Annunciators/Switches Interconnect..................................................................................4-11
4.6
Serial Data...................................................................................................................................4-12
4.6.1
Serial Data Function...........................................................................................................4-12
4.6.2
Serial Data Electrical Characteristics .................................................................................4-15
4.6.3
Serial Data Configuration...................................................................................................4-15
4.6.4
Serial Data Calibration and Checkout ................................................................................4-15
4.6.5
Serial Data Interconnects ...................................................................................................4-15
4.7
COM/VOR/ILS Audio (GNC 420W and GNS 430W only) ......................................................4-16
4.7.1
COM/VOR/ILS Audio Function........................................................................................4-16
4.7.2
COM/VOR/ILS Audio Electrical Characteristics ..............................................................4-16
4.7.3
COM/VOR/ILS Audio Configuration................................................................................4-17
4.7.4
COM/VOR/ILS Audio Calibration and Checkout .............................................................4-17