Dell P29E Owner's Manual page 37

Option
USB PowerShare
Audio
Keyboard Illumination
Keyboard Backlight Timeout on AC
Keyboard Backlight Timeout on Battery
Unobtrusive Mode
Description
• Enable Thunderbolt Boot Support
• Always Allow Dell Dock
• Enable Thunderbolt (and PCIe behind TBT)
Pre-boot
Default Setting: Highlighted options are enabled.
Allows you to configure the behavior of the USB
PowerShare feature. The option is disabled by
default.
• Enable USB PowerShare
This field enables or disables the integrated audio
controller.
• Enable Audio
• Enable Microphone
• Enable Internal Speaker
Default Setting: All the options are enabled.
This field lets you choose the operating mode of
the keyboard illumination feature.
• Disabled
• Dim
• Bright (Default Setting)
This feature defines the timeout value for the
keyboard backlight when AC adapter is plugged
into the system.
• 5 seconds (Default settings)
• 10 seconds
• 15 seconds
• 30 seconds
• 1 minute
• 5 minute
• 15 minute
• Never
This feature defines the timeout value for the
keyboard backlight when system is running only on
battery power.
• 5 seconds
• 10 seconds (Default settings)
• 15 seconds
• 30 seconds
• 1 minute
• 5 minute
• 15 minute
• Never
When enabled, pressing Fn+F7 will turn Off all light
and sound emissions in the system. Press Fn+F7 to
resume normal operation. The option is disabled by
default.
37