Samsung XA060J User Manual page 63

Advanced Adjustment
You can configure multiple time points, each point can be configured with specified
brightness or environment brightness.
Specified brightness：The brightness of LED display from certain time on designated by
the user, the brightness is fixed.
Environment brightness：The brightness of environment from certain time on designated
by the user, the software will automatically adjust the LED display brightness in accordance
with the parameters set by the users as well as environment brightness information
collected by light sensors so that the LED display can exhibit proper brightness under
different environment brightness.
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