Samsung GT-I9195 User Manual page 26

Basics
Turning over
Turn over the device to mute ringtone, pause media playback, or mute the FM radio (when
using the speaker).
Tilting
Tap and hold two points on the screen, and then tilt the device back and forth to zoom in or Tap and hold two points on the screen, and then tilt the device back and forth to zoom in or Tap and hold two points on the screen, and then tilt the device back and forth to zoom in or
out.
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