Video Screen Options - Dell Precision 7720 Owner's Manual

Option Description
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 (selected by default).
Keyboard Backlight The Keyboard Backlight Time-out 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.
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Keyboard Backlight The Keyboard Backlight Time-out 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.
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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 Allows you to enable or disable the following devices:
Devices
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Video screen options

Option Description
LCD Brightness Allows you to set the display brightness depending upon the power source. On Battery(50% is default) and On AC
(100 % default).
42 System setup
5 sec
10 sec (selected by default)
15 sec
30 sec
1 min
5 min
15 min
never
5 sec
10 sec (selected by default)
15 sec
30 sec
1 min
5 min
15 min
never
Enable Camera —enabled by default
Enable Expresscard (selected by default)
Enable HardDrive Free Fall Protection (selected by default)
WiFI Radio (selected by default)
Enable Secure Digital (SD) Card (selected by default)
Secure Digital (SD) Card Read-Only Mode
Secure Digital (SD) Card Boot