Page vi GNS 400W Series Installation ManualRev. G 190-00356-085.3.3 MAIN SYSTEM CONFIG ................................................................................................... 5-85.3.4 MAIN INPUTS 1 Page ....................................................................................................... 5-105.3.5 MAIN INPUTS 2 Page ....................................................................................................... 5-115.3.6 INSTRUMENT PANEL SELF-TEST Page ....................................................................... 5-115.3.7 MAIN LIGHTING Page ..................................................................................................... 5-125.3.8 GPS DATE/TIME SETUP Page ........................................................................................ 5-135.3.9 MAIN DISCRETE INPUTS Page ...................................................................................... 5-145.3.10 MAIN DISCRETE OUTPUTS Page .................................................................................. 5-155.3.11 MAIN CDI/OBS CONFIG Page......................................................................................... 5-165.3.12 COM SETUP Page (GNC 420W and GNS 430W Only) ................................................... 5-185.3.13 VOR DISCRETE INPUTS Page (GNS 430W Only) ......................................................... 5-195.3.14 VOR/LOC/GS CDI Page (GNS 430W Only)..................................................................... 5-195.3.15 VOR/LOC/GS ARINC 429 CONFIG Page (GNS 430W Only) ........................................ 5-215.3.16 GPS Vertical Offset ............................................................................................................ 5-225.3.17 STORMSCOPE® CONFIG Page ........................................................................................ 5-235.3.18 STORMSCOPE® TEST Page ............................................................................................. 5-235.3.19 STORMSCOPE® DOWNLOAD DATA Page ................................................................... 5-235.3.20 TRAFFIC Page ................................................................................................................... 5-245.3.21 RYAN TCAD CONFIG Page............................................................................................. 5-255.3.22 GAD 42 CONFIG Page ...................................................................................................... 5-255.3.23 GDL CONFIG Page............................................................................................................ 5-255.3.24 DATA LINK DIAGNOSTICS Page .................................................................................. 5-265.3.25 GDL 88 STATUS Page ...................................................................................................... 5-265.3.26 GDL 88 INFO ..................................................................................................................... 5-265.3.27 TAWS AUDIO CONFIG 1 Page ........................................................................................ 5-275.3.28 TAWS AUDIO CONFIG 2 Page ........................................................................................ 5-285.4 Ground Checks (Configuration Mode) ....................................................................................... 5-295.4.1 Main Indicator (Analog Only) ............................................................................................ 5-295.4.2 VOR/ILS Indicator (GNS 430W Only) .............................................................................. 5-295.4.3 Discrete Inputs and Annunciator Outputs Checkout .......................................................... 5-295.4.4 ADC, Altitude Encoder, Fuel Sensor and Fuel/Air Data Computer .................................. 5-305.4.5 Altitude Encoder (Gray Code Connection) ........................................................................ 5-305.4.6 AHRS/IRU Interface Check ............................................................................................... 5-315.4.7 GAD 42 Interface Check .................................................................................................... 5-315.4.8 Lighting Bus Interface Check ............................................................................................. 5-315.4.9 HTAWS Audio Check ........................................................................................................ 5-325.5 Ground Checks (Normal Mode) ................................................................................................. 5-335.5.1 Display of Self-Test Data ................................................................................................... 5-335.5.2 Signal Acquisition Check ................................................................................................... 5-345.5.3 VHF COM Interference Check........................................................................................... 5-345.5.4 VHF NAV Checkout (GNS 430W) .................................................................................... 5-365.5.5 VHF COM Checkout (GNC 420W/GNS 430W) ............................................................... 5-365.5.6 Interface Checkout .............................................................................................................. 5-365.5.7 Magnetic Compass Check .................................................................................................. 5-435.5.8 HTAWS System Check ...................................................................................................... 5-435.6 Flight Checks .............................................................................................................................. 5-445.6.1 GPS Flight Check ............................................................................................................... 5-445.6.2 VHF COM Flight Check (GNC 420W and GNS 430W) ................................................... 5-445.6.3 VOR Flight Check (GNS 430W) ........................................................................................ 5-445.6.4 ILS Flight Check (GNS 430W) .......................................................................................... 5-45