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190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
57
SYSTEM OVERVIEW
1.8 DISPLAY BACKLIGHTING
The system display and control backlighting can be adjusted either automatically or manually. Backlighting
intensity ranges from 0.14% to 100% on the PFDs and 0.80% to 100.00% on the MFD.
AUTOMATIC ADJUSTMENT
The existing instrument panel dimmer bus normally controls the PFD and MFD backlighting as well as
the PFD and MFD bezels, MFD Control Unit, AFCS Control Unit and audio panel key annunciator lighting.
When the dimmer bus is not used by the system, photocell technology automatically controls backlighting
adjustments. Photocell calibration curves are pre-configured to optimize display appearance through a broad
range of cockpit lighting conditions.
MANUAL ADJUSTMENT
NOTE:
The avionics dimming knob may also be used to adjust backlighting. Refer to the AFM for details.
NOTE:
In normal mode, backlighting can only be adjusted from PFD1 or PFD2. In reversionary mode, it can
also be adjusted from the MFD.
NOTE:
No other window can be displayed on the PFD while the PFD Setup Menu Window is displayed.
Backlighting may also be adjusted manually for all of the displays and the associated bezels. The audio panel
key backlighting is directly tied to the on-side PFD key backlighting setting.
Adjust display backlighting manually:
1) Press the
MENU
Key on the PFD to display the PFD Setup Menu Window. ‘AUTO’ becomes highlighted to the
right of ‘PFD1 DSPL’.
Figure 1-42 Manual Display Backlighting Adjustment
2) Turn the small
FMS
Knob to display the selection box. Turn the
FMS
Knob to select ‘MANUAL’, then press the
ENT
Key. The intensity value becomes highlighted.
3) Turn the small
FMS
Knob to select the desired backlighting, then press the
ENT
Key.
4)
Turn the large FMS Knob to highlight ‘AUTO’ to the right of ‘MFD DSPL’ or ‘PFD2 DSPL’, respectively, and
repeat steps 2 and 3.