
Garmin G1000 Cockpit Reference Guide for the Piper PA-28-181 Archer
190-01460-00 Rev. A 61
Abnormal Operation
Flight
Instruments EIS
Nav/Com/
XPDR/Audio GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation Annun/Alerts Appendix Index
ABNORMAL OPERATION
REVERSIONARY MODE
Should a system detected failure occur in either display, the G1000 automatically
enters reversionary mode. In reversionary mode, critical flight instrumentation is
combined with engine instrumentation on the remaining display.
In the event of display failure, the display modes are as follows:
• PFD failure – Press the DISPLAY BACKUP Button on the audio panel to
put the MFD in reversionary mode.
• MFD failure – PFD enters reversionary mode. Reversionary display mode
can be manually activated by pressing the DISPLAY BACKUP Button on the
audio panel.
NOTE: The PA-28-181 Archer Pilot’s Operating Handbook (POH) always takes
precedence over the information found in this section.
ABNORMAL COM OPERATION
When a COM tuning failure is detected by the system, the emergency frequency
(121.500 MHz) is automatically loaded into the active frequency field of the COM
radio for which the tuning failure was detected. In the event of a failure of both PFD
and MFD, the emergency frequency (121.500 MHz) automatically becomes the active
frequency on both COM radios.
HAZARD DISPLAYS WITH LOSS OF GPS POSITION
If GPS position is lost, or becomes invalid, selected hazards being displayed on the
Navigation Map Page are removed until GPS position is again established.
Loss of Hazard Functions with Loss of GPS
Position
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