Dell UltraSharp 38 User Manual page 77

When you select the USB Switch hotkey from the Menu Launcher, the following
message appears if PIP/PBP function is disabled:
You will see the following message before the DDC/CI function is disabled:
When you adjust the Brightness level above the default level for the first time, the
following message appears:
NOTE: If you select Yes, the message will not appear the next time you
change the Brightness setting.
Operating the monitor
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