Garmin GNC 420AW Installation Manual - page 10
Page vi
400W Series Installation Manual
Rev. G
190-00356-02
5.3.15
VOR/LOC/GS ARINC 429 CONFIG Page (GNS 430W Only) ...................................5-19
5.3.16
GPS Vertical Offset .......................................................................................................5-20
5.3.17
STORMSCOPE CONFIG Page.....................................................................................5-21
5.3.18
STORMSCOPE TEST Page ..........................................................................................5-21
5.3.19
STORMSCOPE DOWNLOAD DATA Page ................................................................5-21
5.3.20
TRAFFIC Page ..............................................................................................................5-22
5.3.21
RYAN TCAD CONFIG Page........................................................................................5-23
5.3.22
GAD 42 CONFIG Page .................................................................................................5-23
5.3.23
GDL CONFIG Page.......................................................................................................5-23
5.3.24
DATA LINK DIAGNOSTICS Page..............................................................................5-24
5.4
Ground Checks (Configuration Mode) .......................................................................................5-25
5.4.1
Main Indicator (Analog Only) ...........................................................................................5-25
5.4.2
VOR/ILS Indicator (GNS 430W Only) .............................................................................5-25
5.4.3
Discrete Inputs and Annunciator Outputs Checkout..........................................................5-25
5.4.4
ADC, Altitude Encoder, Fuel Sensor and Fuel/Air Data Computer ..................................5-26
5.4.5
Altitude Encoder (Gray Code Connection) ........................................................................5-26
5.4.6
AHRS/IRU Interface Check...............................................................................................5-27
5.4.7
GAD 42 Interface Check....................................................................................................5-27
5.4.8
Lighting Bus Interface Check ............................................................................................5-27
5.5
Ground Checks (Normal Mode) .................................................................................................5-28
5.5.1
Display of Self-Test Data...................................................................................................5-28
5.5.2
Signal Acquisition Check...................................................................................................5-29
5.5.3
VHF COM Interference Check ..........................................................................................5-29
5.5.4
VHF NAV Checkout (GNS 430W) ...................................................................................5-31
5.5.5
VHF COM Checkout (GNC 420W/GNS 430W)...............................................................5-31
5.5.6
Interface Checkout .............................................................................................................5-31
5.5.7
Magnetic Compass Check ..................................................................................................5-37
5.6
Flight Checks ..............................................................................................................................5-38
5.6.1
GPS Flight Check...............................................................................................................5-38
5.6.2
VHF COM Flight Check (GNC 420W and GNS 430W)...................................................5-38
5.6.3
VOR Flight Check (GNS 430W) .......................................................................................5-38
5.6.4
ILS Flight Check (GNS 430W)..........................................................................................5-39
5.6.5
Autopilot Flight Check.......................................................................................................5-39
5.7
Database Check...........................................................................................................................5-39
5.7.1
Data Card Replacement......................................................................................................5-39
5.8
Airplane Flight Manual Supplement Checks ..............................................................................5-40
6.
TROUBLESHOOTING................................................................................................................ 6-1