Dell S2422HZ User Manual page 52

Icon Menu and
submenus
LCD
Conditioning
Firmware
Service Tag
Reset Others Resets all settings under the Others menu to the factory
Factory
Reset
52 | Operating the monitor
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.
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 that is at
the back of the cover.
defaults.
Restores all preset values to the factory default settings.