
G1000 System Maintenance Manual - Hawker Beechcraft G58 Page 2-1
190-01180-02 Revision 3
2 SYSTEM DESCRIPTION
2.1 EQUIPMENT DESCRIPTIONS
The following subparagraphs provide a brief description and picture of each Garmin LRU installed
or replaced by this STC. For all other G1000/GFC 700 LRUs, refer to the Hawker Beechcraft
Baron (Model G58) Maintenance Manual Supplement for Airplanes with Garmin G1000 Equipment
Installed listed in Table 1.1.
2.1.1 GDU 1040 PFD & GDU 1045 MFD
One Garmin GDU 1040 display and one GDU 1045 display is installed in the Baron instrument
panel. The GDU 104X units, 10.4 inch LCD displays with 1024x768 resolution, are configured as
PFD and an MFD. Both displays provide control and display of nearly all functions of the G1000
integrated cockpit system. The PFD is located on the left side of the MFD.
The GDU 1045 communicates with the GDU 1040, the GDL 69A, and the GWX 68 through a high-
speed data bus (HSDB) Ethernet connection. The GDU 1045 also communicates with the GDL 59
and the GTS 820 through the HSDB via the GDL 69A. The GRS 77 and GDC 74A send
information to the GDU 1045 via ARINC 429 data bus. The display units communicate with each
other and the GIA 63W units through a high-speed data bus (HSDB) Ethernet connection.
This STC installation approves alternate part numbers for these displays that accept external video
input and have an additional HSDB Ethernet connection. There are no mechanical or electrical
interface changes needed for these new part number displays. Refer to the General Arrangement
Drawing 005-00606-12 listed in Table 1.1 for part number information.
NOTE
While the alternate part numbers of displays authorized by this STC include an
external video input and HDSB Ethernet connection, this STC does not approve any
interfaces to these ports. Any interfaces to these ports will require additional
airworthiness approvals.
Figure 2.1. Display Unit
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