Samsung Galaxy J36 User Manual page 12

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Proximity sensors
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Turns off the screen and disables touch
functionality when the device is in close
proximity to the body.
-
Turns the screen back on and enables touch
functionality when the device is outside a
specific range from the body.
•
Power key
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Press to turn the screen on or off.
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Press and hold to select a power control option.
•
Volume key
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Adjust the volume for ringtones, calls,
notifications, and system sounds. For more
information, see "Volume" on page 112.
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In the camera app, press the volume key to take
a photo.
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