Dell Latitude 7280 Owners Manual - Page 54

Option, Description, Backlight with AC

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Option Description NOTE: USB keyboard and mouse always work in the BIOS setup irrespective of these settings. USB PowerShare Audio 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. This option is disabled by default 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 Illumination 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-enabled by default • Dim (50%) • Bright Keyboard The Keyboard Backlight with AC option does not affect the main keyboard illumination feature. Keyboard Backlight with AC Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled. This option is enabled by default. Keyboard The Keyboard Backlight Timeout dims out with AC option. The main keyboard illumination feature is not affected. Backlight Timeout Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the on AC backlight is enabled. The options are: • 5 sec • 10 sec-enabled by default • 15 sec • 30 sec • 1 min • 5 min • 15 min • Never Keyboard The Keyboard Backlight Timeout dims out with the Battery option. The main keyboard illumination feature is not Backlight Timeout affected. Keyboard Illumination will continue to support the various illumination levels. This field has an effect on Battery 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 Touchscreen It controls whether the screen is enabled or disabled. This option is enabled by default. Unobtrusive Mode This option, when enabled, pressing Fn+F7 turns off all light and sound emissions in the system. To resume normal operation, press Fn+F7 again. This option is disabled by default. Miscellaneous Devices Allows you to enable or disable the following devices: • Enable Camera-enabled by default • Secure Digital (SD) card-enabled by default • Secure Digital (SD) card boot • Secure Digital (SD) card read-only-mode 54 System Setup

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Option
Description
NOTE:
USB keyboard and mouse always work in the BIOS setup irrespective of these settings.
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. This option is disabled by default
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
Illumination
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—enabled by default
•
Dim (50%)
•
Bright
Keyboard
Backlight with AC
The Keyboard Backlight with AC option does not affect the main keyboard illumination feature. Keyboard
Illumination will continue to support the various illumination levels. This field has an effect when the backlight is
enabled. This option is enabled by default.
Keyboard
Backlight Timeout
on AC
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
Keyboard
Backlight Timeout
on Battery
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
Touchscreen
It controls whether the screen is enabled or disabled. This option is enabled by default.
Unobtrusive Mode
This option, when enabled, pressing Fn+F7 turns off all light and sound emissions in the system. To resume normal
operation, press Fn+F7 again. This option is disabled by default.
Miscellaneous
Devices
Allows you to enable or disable the following devices:
•
Enable Camera—enabled by default
•
Secure Digital (SD) card—enabled by default
•
Secure Digital (SD) card boot
•
Secure Digital (SD) card read-only-mode
54
System Setup