![Dell Latitude 5591 Скачать руководство пользователя страница 24](http://html.mh-extra.com/html/dell/latitude-5591/latitude-5591_setup-and-specifications-manual_82991024.webp)
Option
Description
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
•
Dim
•
Bright (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.
•
5 seconds
•
10 seconds (enabled by default)
•
15 seconds
•
30 seconds
•
1 minute
•
5 minutes
•
15 minutes
•
Never
Keyboard Backlight
Timeout on Battery
The Keyboard Backlight Timeout dims out with 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.
•
5 seconds
•
10 seconds (enabled by default)
•
15 seconds
•
30 seconds
•
1 minute
•
5 minutes
•
15 minutes
•
Never
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.
Touchscreen
This fields controls whether the touchscreen is enabled or diabled.
•
Touchscreen (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
•
Enable Hard Drive Free Fall Protection (enabled by default)
•
Enable Secure Digital (SD) Card (enabled by default)
•
Secure Digital (SD) Card Boot
•
Secure Digital (SD) Card Read — only Mode
24
System setup options