Samsung Galaxy Tab S9 FE User Manual page 118

Settings
Double tap to turn on screen
Turn on the screen by double-tapping instead of using Side button.
From Settings, tap
◌
to turn on screen to enable this feature.
Double tap to turn off screen
Turn off the screen by double-tapping instead of using Side button.
From Settings, tap
◌
to turn off screen to enable this feature.
Cover screen to mute
Mute alarms by putting your hand over the screen.
From Settings, tap
◌
to mute, and tap
Keep screen on while viewing
Use the front camera to detect your face to keep the screen on.
From Settings, tap
◌
on while viewing, and tap
Advanced features > Motions and gestures > Double tap
Advanced features > Motions and gestures > Double tap
Advanced features > Motions and gestures > Cover screen
to enable.
Advanced features > Motions and gestures > Keep screen
to enable the feature.
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