Samsung Galaxy S8 - Manual (Page 159)

Settings 152
Screen Brightness
Adjust the screen brightness to suit your surroundings
or personal preference. You may also want to adjust
screen brightness to conserve battery power.
1. From a Home screen, swipe up to access Apps.
2. Tap Settings > Display.
3. Customize options under Brightness:
•
Drag the Brightness slider to set a custom
brightness level.
•
Tap Auto brightness to automatically adjust
the screen brightness based on the lighting
conditions.
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:
•
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.
3. Drag the Opacity slider to set the opacity of the
filter.