Dell Latitude D630 ATG (Mid 2007) - Manual (Page 45)

Using the Display 45
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Using the Display
Adjusting Brightness
When a Dell™ computer is running on battery power, you can conserve power by setting the brightness
to the lowest comfortable setting by pressing and the up- or down-arrow key on the keyboard.
NOTE: Brightness key combinations only affect the display on your portable computer, not monitors or projectors
that you attach to your portable computer or docking device. If your computer is connected to an external monitor
and you try to change the brightness level, the Brightness Meter may appear, but the brightness level on the
external device does not change.
You can press the following keys to adjust display brightness:
• Press and the up-arrow key to increase brightness on the integrated display only (not on an
external monitor).
• Press and the down-arrow key to decrease brightness on the integrated display only (not on an
external monitor).
Using the Ambient Light Sensor
The ambient light sensor is located on the bottom of the computer display panel. The ambient light
sensor detects available environmental light and automatically increases or decreases the display
backlighting to compensate for low-light and high-light environments.
You can enable or disable the ambient light sensor by pressing the and left-arrow key
combination.
NOTE: Do not cover the ambient light sensor with any adhesive labels. If covered up, the ambient light sensor
automatically sets the display brightness to the minimum level.