Dell E2015HV User Manual page 52

DDC/CI DDC/CI (Display Data Channel/Command Interface) allows
a software on your computer to adjust the monitor display
settings like the brightness, color balance etc.
Enable (Default): Optimizes the performance of your
monitor and provides a better customer experience.
Disable: Disables the DDC/CI option and the following
message appears on the screen.
52 Operating the Monitor
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