190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout
Rev. AC Page 34-114
34.4.17 Backlight Configuration Page
The Backlight Configuration Page allows setting the parameters for display backlight and display options
configuration.
1. In configuration mode, use the Touch Panel or a Move Selector Knob to select the Backlight
Configuration Page.
2. Use the Touch Panel or a Move Selector Knob to select the desired configurable item and make the
desired change.
3. Enter data (where applicable) using the Keyboard (Section 34.4.1
) or Slider Bar (Section 34.4.2).
4. Press the Back key to return to the Configuration Mode page when finished (if desired).
Backlight Configuration:
Backlight Input Source–Can be set to Manual, Photocell, or Lighting Bus. If set to manual, the backlight
intensity (display brightness) can be set from 0-100%.
Default Input–Can be set to Manual, Photocell, or Lighting Bus. This controls the backlight mode that
will be active each time the system is powered on
Backlight Graph:
Brightness is displayed as the vertical (Y) axis, and aircraft lighting bus voltage is displayed as the
horizontal (X) axis. The graph changes according to the auto backlight control settings, and the lighting
bus voltage.
Input Level–Displays the current lighting bus voltage
Backlight Level–Displays the current backlight level (0-100%)
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