CHAPTER 4 GETTING STARTED
EFD1000/500 MFD Pilot’s Guide
Page 4-14 091-00006-001 REV B
EFD1000/500 MFD Pilot’s Guide
Page 4-15091-00006-001 REV B
Display Lighting MODE DESCRIPTION
Automatic
AUTO
LCD backlight intensity is automatically adjusted based
on the current light conditions sensed by the Automatic
Dimming Photocell. When using the auto-brightness the
display brightness will display up to 70%.
Manual
ADJUST
Allows the pilot to adjust the LCD backlight intensity
manually, from 1 - 100%.
Table 4-3 Lighting Mode Descriptions
Change the Display Brightness
1. Press the MENU Button. The Main MENU displays and the Left Knob label
displays AUTO (Figure 4-27). When the display brightness is in MANUAL
mode the Left Knob label reads ADJUST. If so, skip step 2.
2. When the Left Knob label is AUTO, press the Left Knob once to change the
display mode to ADJUST (Figure 4-28).
3. Rotate the Left Knob to change the brightness to the level desired.
4. Press the MENU Button to exit the Main MENU.
NOTE
The AUTO display brightness setting is determined
by the amount of light detected by the photocell
on the front of the unit. If you use a light to
illuminate the instrument panel, the photocell will
respond, resulting in a bright display. When this
happens, use the MANUAL brightness setting to
select a dimmer display setting.
Figure 4-27
Display Brightness in
AUTO Mode
Figure 4-28
Display Brightness in
ADJUST Mode
NOTE
If the EFD1000 MFD is operating on the internal or
emergency backup battery, the maximum brightness
level is capped at 40% in automatic mode and 70%
in manual mode to preserve emergency battery
operating time.
NOTE
To facilitate cooling of the EFD1000/500 MFD display
unit, when the backlight temperature is greater than or
equal to 70°C the display brightness is limited to 30%
in automatic mode and 70% in manual mode. The
limit is removed when the EFD1000/500 MFD display
temperature drops below 60°C.
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