190-00692-00 Rev. B
Garmin G1000 Pilot’s Guide for Piper PA32
1-15
SYSTEM OVERVIEW
Figure 1-9 Reversionary Mode
If the system fails to detect a display problem, reversionary mode may be manually activated by pressing
the Audio Panel’s red
DISPLAY BACKUP
button (refer to the Audio Panel and CNS Section for further details).
Pressing this button again deactivates reversionary mode.
Figure 1-10 DISPLAY BACKUP Button
Pressing the
DISPLAY BACKUP
button activates/deactivates
reversionary mode
AHRS OPERATION
NOTE:
Refer to Appendix A for specific AHRS alert information.
NOTE:
Aggressive maneuvering while AHRS is not operating normally may degrade AHRS accuracy.
The Attitude and Heading Reference System (AHRS) performs attitude, heading, and vertical acceleration
calculations for the G1000 System, utilizing GPS, magnetometer, and air data in addition to information
from its internal sensors. Attitude and heading information are updated on the PFD while the AHRS receives
appropriate combinations of information from the external sensor inputs.
Loss of GPS, magnetometer, or air data inputs is communicated to the pilot by message advisory alerts. Any
failure of the internal AHRS inertial sensors results in loss of attitude and heading information (indicated by red
‘X’ flags over the corresponding flight instruments).
Summary of Contents for G1000:Piper
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