Video Screen Options; Security Screen Options - Dell Precision 7520 Owner's Manual

Option Description
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Touchscreen Controls whether the touch screen is enabled or disabled (enabled by default).
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).
Switchable
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Graphics
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NOTE: The video setting will be visible only when a video card is installed into the system.

Security screen options

Option Description
Admin Password Allows you to set, change, or delete the administrator (admin) password.
72 System setup
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
Enable Switchable Graphics (selected by default)
Enable Dock Display Port (selected by default)
Discrete Graphics Controller Direct Output Mode