Dell S2419HM User Manual page 30

Icon Menu and
Submenus
Other
Display info
DDC/CI
30 | Operating the Monitor
Description
Select this option to adjust the OSD settings, such as the
DDC/CI, LCD conditioning, and so on.
Displays the monitor's current settings.
DDC/CI (Display Data Channel/Command Interface) allows you
to adjust the monitor settings using software on your computer.
Select Off to turn off this feature.
Enable this feature for best user experience and optimum
performance of your monitor.