LG L51AL Guia Del Usuario página 65

Gesture shot
The Gesture shot feature allows you to take a picture with a hand gesture
using the front camera.
Using a gesture to take photos
There are two methods for using the Gesture shot feature.
Raise your hand, with an open palm, until the front camera detects it
and a box appears on the screen. Then close your hand into a fist to
start the timer, allowing you time to get ready.
OR
Raise your hand, in a clenched fist, until the front camera detects it and
a box appears on the screen. Then unclench your fist to start the timer,
allowing you time to get ready.
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