Diamond DA 42 - Page 101

DA 42 AFM
Emergency
Procedures
Doc. No. 7.01.05-E Rev. 8 15-Dec-2017 Page 3 - 17
(b) DISPLAY BACKUP Button on Audio Panel . PUSH (Button will be IN)
- If the system returns to normal mode, leave the DISPLAY BACKUP button IN and
continue.
- lf the system remains in reversionary mode, or abnormal display behavior such as
display flashing occurs, then return the DISPLAY BACKUP button to the OUT position.
END OF CHECKLIST
3.4.3 AHRS FAILURE
NOTE
A failure of the Attitude and Heading Reference System
(AHRS) is indicated by a removal of the sky/ground
presentation and a red X and a yellow "AHRS FAILURE"
shown on the PFD. The digital heading presentation will be
replaced with a yellow "HDG" and the compass rose digits
will be removed. The course pointer will indicate straight up
and course may be set using the digital window.
1. Use standby attitude indicator, emergency compass and Navigation Map
2. Course ............................. set using digital window
END OF CHECKLIST