Dell Latitude 5580 Owner's Manual page 79

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Option Description
NOTE:
USB PowerShare This field configures the USB PowerShare feature behavior. This option allows you to charge external devices using
the stored system battery power through the USB PowerShare port.
Audio This field enables or disables the integrated audio controller. By default, the Enable Audio option is selected. The
options are:
• Enable Microphone (by default enable)
• Enable Internal Speaker (by default enable)
Keyboard This field lets you choose the operating mode of the keyboard illumination feature. The keyboard brightness level
Illumination can be set from 0% to 100%. The options are:
• Disabled
• Dim
• Bright (enabled by default)
Keyboard Backlight The Keyboard Backlight Timeout dims out with AC option. The main keyboard illumination feature is not affected.
Timeout on AC Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the
backlight is enabled.
• 5 seconds
• 10 seconds (enabled by default)
• 15 seconds
• 30 seconds
• 1 minute
• 5 minutes
• 15 minutes
• Never
Keyboard Backlight The Keyboard Backlight Timeout dims out with Battery option. The main keyboard illumination feature is not
Timeout on Battery affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when
the backlight is enabled.
• 5 seconds
• 10 seconds (enabled by default)
• 15 seconds
• 30 seconds
• 1 minute
• 5 minutes
• 15 minutes
• Never
Keyboard Backlight The Keyboard Backlight with AC option does not affect the main keyboard illumination feature. Keyboard
with AC Illumination will continue to support the various illumination levels. This field has an effect when the backlight is
enabled.
Touchscreen This fields controls whether the touchscreen is enabled or diabled.
• Touchscreen (enabled by default)
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USB keyboard and mouse always work in the BIOS setup irrespective of these settings.
System setup options 79