Dell Latitude D430 (Mid 2007) - Manual (Page 36)

36 Using the Keyboard and Touch Pad
Battery
Optical Drive Tray
Display Functions
Power Management
Speaker Functions
Displays the Dell™ QuickSet Battery Meter (see "Dell™
QuickSet Battery Meter" on page 30).
Ejects the tray out of the drive if Dell QuickSet is
installed (see "Dell™ QuickSet" on page 121).
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 "Power
Management Modes" on page 31).
Puts the computer into hibernate mode. Dell QuickSet is
required (see "Dell™ QuickSet" on page 121).
Increases the volume of the integrated speakers and
external speakers, if attached.
Decreases the volume of the integrated speakers and
external speakers, if attached.