G1000/DA40 System Maintenance Manual
Page 2-25
190-00303-03
Revision 6
2.8.3 Communications/Navigation Systems
The GIA 63 IAUs contain VHF COM, VHF NAV, and GPS receivers. COM and NAV audio is sent via
digital audio to the GMA 1347 Audio Panel.
GPS information is sent to the GRS 77 AHRS and both displays for processing assistance.
The GTX 33 Mode S Transponder communicates with both GIAs. Transponder data is sent from the
GIAs to the PFD where control and operation occurs.
The #2 GIA outputs analog HSI signals to the Honeywell KC 140.
The GMA 1347 Audio Panel controls the display reversionary mode.
Figure 2-27. G1000 Navigation/Communications
Summary of Contents for Diamond DA40
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