Dell S2418HN User Manual page 34

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DDC/CI
| Operating the Monitor
34
Description
Select this option to adjust the OSD settings, such as the
DDC/CI, LCD conditioning, and so on.
DDC/CI (Display Data Channel/Command Interface) allows
you to adjust the monitor settings using software on your
computer.
Select Disable to turn off this feature.
Enable this feature for best user experience and optimum
performance of your monitor.