Table of Contents
Advertisement
SYSTEM OVERVIEW
1.1 LINE REPLACEAbLE UNITS
• GDU 1040/1042/1044 (2) – A GDU 1040 is configured as the Primary Flight Display (PFD) and a GDU 1040,
1042 or 1044 (1042/1044 for airframes equipped with the GFC 700) as a Multi Function Display (MFD). Both
displays feature 10.4-inch LCD screens with 1024 x 768 resolution. The displays communicate with each other
through a High-speed Data Bus (HSDB) Ethernet connection. Each display is also paired with an Ethernet
connection to an IAU. The three GDU models are distinguished by three individual configurations of bezel
controls and are made available to accommodate a variety optional system installations.
• GMA 1347 – The Audio Panel integrates navigation/communication radio (NAV/COM) digital audio, intercom,
and marker beacon controls, and is installed between the displays. This unit also provides manual control of
display Reversionary Mode (red DISPLAY BACKUP button; see Section 1.4, System Operation) and communicates
with both IAUs using an RS-232 digital interface.
• GIA 63/63W (2) – The Integrated Avionics Units (IAU) function as the main communications hub, linking
all LRUs with the PFD. Each IAU contains a GPS receiver, a very high frequency (VHF) communication/
navigation/glideslope (COM/NAV/GS) receiver, and system integration microprocessors, and is paired with
the on-side display via an HSDB connection. The GIA 63W contains a GPS WAAS receiver. The IAUs are not
paired together and do not communicate with each other directly.
2
Garmin G1000 Pilot's Guide for the Diamond DA40/40F
190-00592-06 Rev. A
Advertisement
Table of Contents
