Wallpaper; Advanced Features - Samsung SM-T820 User Manual

Settings
Blue light filter
Reduce eye strain by limiting the amount of blue light emitted by the screen.
While you are watching HDR videos from HDR-exclusive video services, such as
Amazon video, the blue light filter will not be applied.
1
On the Settings screen, tap Display → Blue light filter, and then tap the Turn on now
switch to activate it.
2
Drag the adjustment bar to adjust the filter's opacity.
3
To set the schedule to apply the blue light filter to the screen, tap the Turn on as
scheduled switch to activate it and select an option.
• Sunset to sunrise: Set the device to apply the blue light filter at night and turn it off in
the morning, based on your location.
• Custom schedule: Set a specific time to apply the blue light filter.

Wallpaper

Change the wallpaper settings for the Home screen and the locked screen.
On the Settings screen, tap Wallpaper.

Advanced features

Options
Activate advanced features and change the settings that control them.
On the Settings screen, tap Advanced features.
Excessive shaking or impact to the device may cause unintended input for some
features.
• S Pen: Change the settings for using the S Pen. Refer to
information about Air command, Air view, Direct pen input and Screen off memo.
S Pen features
108
for more