Garmin GNC 255 - Page 8

GTR 225/GNC 255 TSO Installation Manual 190-01182-02
Page iv Rev. B
5.1.1 P2001 Connector – COM Board ..................................................................................................5-1
5.1.2 P2002 Connector – NAV Board ...................................................................................................5-3
5.2 Power, Lighting, And Antennas ......................................................................................................5-5
5.2.1 Power ............................................................................................................................................5-5
5.2.2 Lighting Bus .................................................................................................................................5-6
5.2.3 Antennas .......................................................................................................................................5-6
5.2.4 Serial Data – RS-232 ....................................................................................................................5-6
5.2.5 COM Discrete Inputs ....................................................................................................................5-9
5.2.6 VOR/ILS Audio ..........................................................................................................................5-10
5.2.7 VOR/ILS Discrete Inputs ...........................................................................................................5-10
5.2.8 VOR/ILS Indicator .....................................................................................................................5-11
5.2.9 RMI/OBI .....................................................................................................................................5-13
5.2.10 DME Tuning ...............................................................................................................................5-14
6 POST INSTALLATION CONFIGURATION AND CHECKOUT PROCEDURES ................6-1
6.1 System Configuration Overview .....................................................................................................6-1
6.2 Mounting, Wiring, and Power Checks .............................................................................................6-1
6.3 Connector Engagement Check .........................................................................................................6-2
6.4 Configuration Mode Operations ......................................................................................................6-2
6.4.1 SYS Configuration .......................................................................................................................6-3
6.4.2 NAV Configuration (GNC Only) .................................................................................................6-7
6.4.3 COM Configuration ......................................................................................................................6-9
6.4.4 Audio Configuration ...................................................................................................................6-11
6.4.5 Log Functions .............................................................................................................................6-12
6.5 Ground Checks (Configuration Mode) ..........................................................................................6-13
6.5.1 Calibrate Resolver (GNC Only) .................................................................................................6-13
6.5.2 Flags Check (GNC Only) ...........................................................................................................6-14
6.5.3 VOR/Localizer/Glideslope Indicator (GNC Only) .....................................................................6-14
6.5.4 Lighting Bus Interface Check .....................................................................................................6-15
6.6 Ground Checks (Normal Mode) ....................................................................................................6-16
6.6.1 Discrete Input Checkout .............................................................................................................6-16
6.6.2 VHF NAV Checkout ..................................................................................................................6-16
6.6.3 NAV Audio Check (Audio Panel Installations) (GNC Only) ....................................................6-16
6.6.4 VHF COM ..................................................................................................................................6-17
6.6.5 Interface Checkout ......................................................................................................................6-18
6.7 Flight Checks .................................................................................................................................6-19
6.7.1 COM Flight Check .....................................................................................................................6-19
6.7.2 VOR Flight Check (GNC Only) .................................................................................................6-19
6.7.3 ILS Flight Check (GNC Only) ...................................................................................................6-19
6.8 Software Loading ...........................................................................................................................6-20
6.8.1 Creating a GTR/GNC Software Loader USB Flash Drive .........................................................6-20
6.8.2 Loading Software to the GTR/GNC ...........................................................................................6-21
6.8.3 Load Database ............................................................................................................................6-22
6.9 Documentation Checks ..................................................................................................................6-22
6.9.1 Airplane Flight Manual Supplement ..........................................................................................6-22
7 PERIODIC MAINTENANCE .........................................................................................................7-1
7.1 Equipment Calibration .....................................................................................................................7-1
7.2 VOR Checks ....................................................................................................................................7-1
7.3 Cleaning ...........................................................................................................................................7-1
APPENDIX A ENVIRONMENTAL QUALIFICATION FORM ................................................. A-1