User Manual - Page 171

For S9.

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Tap Auto brightness to automatically adjust
the screen brightness based on the lighting
conditions.
Reset usage patterns: Clear your
brightness adjustment history. Your phone
will begin learning your preferences again
after the reset.
Blue light filter
Use the Blue light filter at night to help you sleep
better. You can set a schedule to automatically turn
this feature on and off.
1. From a Home screen, swipe up to access Apps.
2.
Tap
Settings >
Display > Blue light filter, and
then choose one of the following options:
Drag the Opacity slider to set the opacity of
the filter.
Tap Turn on now to enable this feature.
Tap Turn on as scheduled to set a schedule for
when Blue light filter should be enabled. You
can choose Sunset to sunrise or Custom
schedule.
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