Dell Latitude XT (Late 2007) - Manual (Page 83)

Setting Up and Using Your Tablet-PC 83
Battery
Display Functions
Power Management
Speaker Functions
Displays the Dell™ QuickSet Battery Meter.
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.
Puts the Tablet-PC into hibernate mode. Dell
QuickSet is required (see "QuickSet" on page 71).
Increases the volume of the integrated speakers
and external speakers, if attached.
Decreases the volume of the integrated speakers
and external speakers, if attached.
Enables and disables the integrated speakers and
external speakers, if attached.
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