Samsung SM-S320VL User Manual page 169

Set the Screen Timeout
Turn the screen off after a set amount of time.
1. From a Home screen, tap
2. Tap Display > Screen timeout and choose a time period.
Select a Screen Mode
Choose a screen mode to match your type of viewing.
1. From a Home screen, tap
2. Tap Display > Screen mode and choose a screen mode:
•
Tap Adaptive display if you want your device to automatically
optimize the display to match the type of image displayed and
other criteria, such as battery level.
– or –
Choose a specific type of screen mode based on what you
are viewing.
Settings
Apps >
Apps >
159 Display