Dell U4021QW User Manual page 59

Icon Menu and
Submenus
LCD
Conditioning
Firmware
Service Tag
Reset Others
Factory Reset
Description
Helps reduce minor cases of image retention. Depending
on the degree of image retention, the program may take
some time to run. You can enable this feature by selecting
On.
UltraSharp 40 Monitor
Brightness/Contrast
Input Source
Color
Display
PIP/PBP
USB
Audio
Menu
Personalize
Others
Displays the firmware version of your monitor.
Displays the Service Tag. The Service Tag is a unique
alphanumeric identifier that allows Dell to identify the
product specifications and access warranty information.
NOTE: The Service Tag is also printed on a label located
at the back of the cover.
Resets all settings under the Others menu to the factory
defaults.
Restores all preset values to the factory default settings.
These are also the settings for ENERGY STAR
Display Info
DDC/CI
LCD Conditioning
On
Firmware
O
Service Tag
Reset Others
Factory Reset
Operating the monitor
Exit
tests.
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