LG G5 ユーザーガイド

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Basic Functions
47
Pinching and spreading
Pinch two fingers to zoom out such as on a photo or map. To zoom in, 
spread your fingers apart.
Do not expose the touch screen to excessive physical shock. You might 
damage the touch sensor.
A touch screen failure may occur if you use the device near a magnetic, 
metallic or conductive material.
If you use the device under bright lights, such as direct sunlight, the 
screen may not be visible, depending on your position. Use the device 
in a shady location or a location with an ambient light that is not too 
bright and bright enough to read books.
Do not press the screen with excessive force.
Gently tap with your fingertip on the option you want.
Touch control may not work properly if you tap while wearing a glove or 
by using the tip of your fingernail.
Touch control may not work properly if the screen is moist or wet.
The touch screen may not function properly if a screen-protective 
film or accessory purchased from a common online or offline store is 
attached to the device.