Dell Latitude 5400 Setup And Speci?Cations Manual page 30

Option
USB PowerShare
Audio
Keyboard Illumination
Keyboard Backlight Timeout on
AC
Keyboard Backlight Timeout on
Battery
Unobtrusive Mode
30 System setup
Description
• Display port and USB Only-is disabled
This option configures the USB PowerShare feature behavior.
• Enable USB PowerShare - disabled by default
This feature is intended to allow users to power or charge external devices, such as phones and
portable music players, using the stored system battery power through the USN PowerShare port on
the notebook, while the notebook is in a sleep state.
Allows you to enable or disable the integrated audio controller. The option Enable Audio is selected by
default.
• Enable Microphone
• Enable Internal Speaker
Both the options are selected by default.
This field lets you choose the operating mode of the keyboard illumination feature. The keyboard
brightness level can be set from 0% to 100%. The options are:
• Disabled
• Dim
• Bright-enabled by default
The Keyboard Backlight Timeout dims out with AC option. The main keyboard illumination feature is
not affected. Keyboard Illumination will continue to support the various illumination levels. This field
has an effect when the backlight is enabled. The options are:
• 5 sec
• 10 sec-enabled by default
• 15 sec
• 30 sec
• 1 min
• 5 min
• 15 min
• Never
The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination
feature is not affected. Keyboard Illumination will continue to support the various illumination levels.
This field has an effect when the backlight is enabled. The options are:
• 5 sec
• 10 sec-enabled by default
• 15 sec
• 30 sec
• 1 min
• 5 min
• 15 min
• Never
• Enable Unobtrusive Mode (disabled by default)
When enabled pressing Fn+Shift+B will turn off all light and sound emissions in the system.
Press Fn+Shift+B to resume normal operation.