Dell Latitude D630 ATG (Mid 2007) - Manual (Page 40)

40 Using the Keyboard
Key Combinations
Keyboard Illumination
System Functions
Battery
Display Functions
Power Management
and right-arrow key Toggles the keyboard illumination lights on and off.
Opens the Task Manager window.
Displays the Dell™ QuickSet Battery Meter (see "Dell™
QuickSet Battery Meter" on page 32).
Switches the video image to the next display option. The
options include the integrated display, an external
monitor, and both displays simultaneously.
Scales between wide-screen and standard aspect ratio
video resolutions.
and left-arrow key Activates the ambient light sensor, which controls
brightness of the display based on light level in the
current environment.
and up-arrow key Increases brightness on the integrated display only (not
on an external monitor).
and down-arrow key Decreases brightness on the integrated display only (not
on an external monitor).
Activates a power management mode. You can
reprogram this keyboard shortcut to activate a different
power management mode using the Advanced tab in the
Power Options Properties window (see "Accessing Power
Options Properties" on page 35).
Puts the computer into hibernate, or sleep, mode. Dell
QuickSet is required (see "Dell™ QuickSet" on
page 137).