Dell P2722HE 27" 16:9 USB Type-C IPS Monitor - Manual (Page 58)

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Operating the monitor
Others Select this menu to adjust the OSD settings, such as
DDC/CI , LCD Conditioning , and so on.
Display Info Displays the monitor's current settings.
DDC/CI DDC/CI (Display Data Channel/Command Interface)
allows you to adjust the monitor settings using
software on your computer. You can disable this
feature by selecting
Off .
Enable this feature for best user experience and
optimum performance of your monitor.