Samsung Galaxy J7 Crown User Manual page 14

Proximity sensor
l
–
Turns off the screen and disables touch functionality
during a call when the device is in close proximity to the
body.
–
Turns the screen back on and enables touch functionality
during a call when the device is outside a specific range
from the body.
Power key
l
–
Press to turn the screen on or off.
–
Press and hold to select a power control option.
FOR INTERNAL USE ONLY
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