User Guide

190-00494-00 Rev. B Garmin G1000 Pilot’s Guide for the Cessna Citation Mustang 1-2
SYSTEM OVERVIEW
1.2 LINE REPLACEABLE UNITS (LRU)
• GDU 1040A (2) – Each unit is configured as a PFD that features a 10.4-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. These units communicate with each other, the MFD, and with the on-side GIA 63W
Integrated Avionics Unit through a High-Speed Data Bus (HSDB) connection.
• GDU 1500 (1) – Features a 15-inch LCD with 1024 x 768 resolution and is configured as an MFD. This unit
is linked to both PFDs via HSDB connection.
• GIA 63W (2) – Functions as the main communication hub, linking all LRUs with the on-side PFD. Each
GIA 63W contains a GPS WAAS receiver, VHF COM/NAV/GS receivers, a flight director (FD) and system
integration microprocessors. Each GIA 63W is paired with the on-side PFD via HSDB connection. The GIA
63Ws are not paired together and do not communicate with each other directly.