Dell UltraSharp 38" 1600p Curved Monitor - Manual (Page 78)

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Operating the monitor
When you change the default setting of power saving features for the first time,
such as
Uniformity Compensation , USB-C Charging 90W , Other USB
Charging , or Fast Wakeup , the following message appears:
NOTE: If you select Yes for any of the features mentioned above, the
message will not appear the next time you change the settings of these
features. When you perform a factory reset, the message will appear
again.
You will see the following message before the Lock function is activated:
NOTE: The message may be slightly different according to the selected
settings.