G1000 Nav III Line Maintenance Manual Page B-27190-00352-00 Rev. LB.4 System Communication HierarchyThe following criteria must be satisfied to be able to perform these desired options:Desired Operation Criteria for SuccessLoad Software to GDU 104X MFD or PFD Displays • G1000 SW Loader Card must be inserted in top slot for eachdisplay to be loaded.• CLR & ENT keys must be held during power up of display.• Power only one display on at a time during software loading.Load AIRFRAME, SYSTEM, MFD1, PFD1, andMANIFEST configuration files to the MFD and PFD• G1000 SW Loader Card must be inserted in top slot of thePFD.• PFD and MFD must be powered on.• PFD and MFD must have correct software.Load Software/Configuration files to GIA 63/GIA 63Ws • G1000 SW Loader Card must be inserted in top slot of thePFD.• G1000 system must be powered on.• PFD and MFD must have correct software.• PFD and MFD must be successfully configured withAIRFRAME, SYSTEM, MFD1, and PFD1 configuration files.Load Software/Configuration files to:- GMA 1347- GDC 74A- GEA 71- GRS 77 (software only)- GMU 44 (software only)- GTX 33- GDL 69A• G1000 must be powered on.• Airframe specific card loader must be inserted into PFD topslot.• PFD and MFD must have correct software and configurationsettings.• GIA 63/GIA 63Ws must have correct software.• GIA 63/GIA 63Ws must be successfully configured withGIA1 and GIA2 configuration files.• Data path from GIA1 to each LRU must be operational.
