190-00595-01 Rev. BGarmin G1000 Pilot’s Guide for the Beechcraft A36/G362SYSTEM OVERVIEWSYSTEMOVERVIEWFLIGHTINSTRUMENTSEISAUDIO PANEL& CNSFLIGHTMANAGEMENTHAZARDAVOIDANCEAFCSADDITIONALFEATURESAPPENDICESINDEX1.2 LINE REPLACEABLE UNITS (LRU)• GDU 1040 (1) – The GDU 1040 is configured as a Primary Flight Displays (PFD) that features a 10.4-inch LCDwith 1024 x 768 resolution. The display communicates with the MFD and with the #1 GIA 63/63W IntegratedAvionics Unit through a High-Speed Data Bus (HSDB) Ethernet connection.• GDU 1043/1045 (1) – The GDU 1043 or GDU 1045 is configured as an MFD that features a 10.4-inch LCDwith 1024 x 768 resolution. The display communicates with the PFD and with the #2 GIA 63/63W IntegratedAvionics Unit through a High-Speed Data Bus (HSDB) Ethernet connection. The GDU 1045 has a VNV Button,which is needed to enable optional coupled Baro-VNAV AFCS mode.• GIA 63 or GIA 63W (2) – Functions as the main communication hub, linking all LRUs with the PFD andMFD. Each GIA 63 contains a GPS receiver, VHF COM/NAV/GS receivers, a flight director (FD) and systemintegration microprocessors. Each GIA 63W contains a GPS WAAS receiver. Each GIA 63/63W is paired witha display via HSDB connection. The GIA 63/63Ws are not paired together and do not communicate with eachother directly.