
Page 3-4 G1000 System Maintenance Manual – Diamond DA40/40F
Revision G 190-00545-01
3.2.2 Reversionary Mode
Should a display communication or hardware failure occur, the G1000 system automatically enters the
reversionary mode. The system reversionary mode forces the remaining display into showing all
information related to safe flight.
A manual reversionary mode also allows the operator to force the system into reversionary mode in
situations where the system does not automatically enter reversionary mode. A large red button labeled
‘DISPLAY BACKUP’ on the GMA 1347 audio panel activates the manual reversionary mode.
Figure 3-6. MFD Failure Mode
Should the PFD display fail, the MFD automatically enters reversionary mode. In this mode, flight-
critical information from the AHRS/Air Data system is displayed on the MFD along with essential engine
instrumentation.
Figure 3-7. PFD Failure Mode
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