Garmin Flight Deck 100 Manuel D’Utilisation

190-00728-04  Rev. A

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• GDU 1240A (3) – Each unit is configured as one of two PFDs or one MFD.  The GDU 1240A features a 12-inch 

LCD with 1024 x 768 resolution.  The unit installed on the left/pilot side is designated as PFD1, and the one 
installed on the right/copilot side is designated as PFD2.  The unit installed in the center is designated the MFD.  
These units communicate with each other and with the on-side GIA 63W Integrated Avionics Unit through a 
High-Speed Data Bus (HSDB) connection.

• GMA 1347D (2) – Integrates NAV/COM digital audio, intercom system and marker beacon controls, and is 

installed in dual configuration on the outboard side of PFD1 and PFD2.  This unit also enables the manual 
control of the display reversionary mode (red DISPLAY BACKUP button) and communicates with the on-side 
GIA 63W, using an RS-232 digital interface.

• GCU 475 (1) – Provides the Flight Management System (FMS) controls for the MFD through an RS-232 digital 

interface.

• GMC 715 (1) – Provides the controls for the GFC 700 AFCS through an RS-232 digital interface allowing 

communication with both PFDs.