Airplane Flight Manual Supplement
190-00682-02 Rev. D Hawker Beechcraft C90A and C90GT King Air
Page 47 of 117
DISPLAY UNIT FAILURE
PFD FAILURE
PFD failure is indicated by a complete loss of image on a display. The pilot should use the cross
side PFD and the standby flight instruments for information to fly the airplane. If only individual
elements of the display are failed, refer to appropriate procedures for the individual failures.
To display a composite display of primary flight information and the engine instruments on the
MFD:
1. DISPLAY BACKUP Button (on audio panel of affected side)................................................PRESS
The DISPLAY BACKUP button can be pressed again to return the MFD to its normal
presentation. With the MFD in its normal display presentation, the pilot has access to
functions and pages unique to the MFD that are not accessible when the MFD is in the
composite display.
NOTE
The CDI SYNC and BARO SYNC settings must be ON to allow the operating PFD’s controls
to affect settings on the MFD when the MFD is in the Display Backup mode. These settings
are accessible on the MFD when in the normal display presentation on the AUX – SYSTEM
SETUP page.
2. Autopilot Mode Panel................................................... TRANSFER (XFR button) to operating PFD
3. Autopilot .......................................................................................... RE-ENGAGE and select modes
4. Transponder.....................................................................................SELECT operating transponder
5. Audio Panels....................................................................................SELECT operating COM Radio
NOTE
Use the operating PFD to control Com frequency selection, Com and Nav volume, and
Altimeter Barometric Pressure setting.