190-01263-01 Rev. A
Garmin G2000 Pilot’s Guide for the Cessna T240
35
SyStem overview
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reverSionary DiSplay operation
NOTE:
The system alerts the pilot when the LRUs are using backup paths. Refer to the Appendices for
further information regarding system-specifi c alerts.
PFD AND MFD FAILURE
If the system detects a PFD or MFD failure, the system automatically enters Reversionary (backup) Mode. In
Reversionary Mode, all important fl ight information from the PFD is presented on the operating (non-failed)
display in a similar format as in normal operating mode, with the addition of the EIS. EIS operation while in
Reversionary Mode is discussed in the EIS Section. The Inset Map appears on the right side of the display. The
PFD Split Mode Display Pane is not available in Reversionary Mode.
If a PFD or MFD fails, the appropriate IAU-display Ethernet interface is disabled. Thus, the IAU can no longer
communicate with the operating display
(refer to Figure 1-1)
, and the NAV and COM functions provided to the
failed display by the IAU are fl agged as invalid on the operating display. The system reverts to backup paths
for the AHRS, ADC and Transponder, as required. The change to backup paths is completely automated for all
LRUs and no pilot action is required.
If the system fails to detect a display problem, Reversionary Mode may be manually activated by pressing the
DISPLAY BACKUP
Button on the instrument panel. Pressing this button again deactivates Reversionary Mode.
In Reversionary Mode, the Display Pane control functions of the Touchscreen Controller will not be applicable
to system operation.
Figure 1-27 G2000 Reversionary Mode (Failed PFD)
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