Samsung Galaxy Tab S3 (SM-T825) - Manual (Page 130)

Settings 125
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, tap Apps > Settings.
2. Tap Display.
3. Customize options under Brightness:
• Drag the Brightness slider to set a custom
brightness level.
• Tap Auto brightness to allow the device to
adjust brightness automatically.
Blue Light Filter
Use 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, tap Apps > Settings.
2. Tap Display > Blue light filter.
3. Tap Turn on now to enable this feature.
• When enabled, drag the Opacity slider to set the
opacity of the filter.
4. Tap Turn on as scheduled to set a schedule for
when Blue light filter should be enabled.
• When enabled, you can choose Sunset to
sunrise or Custom schedule.