
G1000 System Maintenance Manual - Hawker Beechcraft G36 Page 2-5
190-01259-00 Rev. 5
Figure 2.8 GRC 10 Remote Control
2.1.6 GIA 63W Integrated Avionics Unit (2)
Two Garmin GIA 63W Integrated Avionics Units (IAUs) contain the VHF COM/NAV receivers,
WAAS GPS receiver, Flight Director, and system integration microprocessors. The GIAs also
serve as a communication interface to all other G1000 LRUs in the system. Each GIA 63W
communicates directly with the on-side GDU display using a HSDB Ethernet connection. Both
GIAs are mounted in the systems rack behind the MFD.
GIA 1 is powered through Bus 2 and immediately powers up when the battery 1 or Battery 2
master switch is turned on. GIA #2 receives power through the Avionics Bus and powers up when
the avionics master switch is turned on.
Figure 2-9 GIA unit
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