Samsung EK-GN120ZKAXAR User Manual page 28

Rotating the Screen
Many applications allow display in either portrait or
landscape orientation. Rotating the device causes the display
to automatically adjust to fit the new screen orientation.
To prevent the display from rotating automatically, open the
Notification panel and deselect Screen rotation.
Note: Some applications do not allow screen rotation, and
some applications display a different screen depending
on the orientation.
Motions and Gestures
Simple motions and gestures allow easy control of the
device. For more information, refer to "Motions and
Gestures" on page 155.
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