LG LG-K520, User Manual

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Basic Functions 26
• Proximity/Ambient light sensor
- Proximity sensor: The proximity light sensor turns off the screen
and disables touch functionality when the device is in close
proximity to the human body. It turns the screen back on and
enables touch functionality when the device is outside a specific
range.
- Ambient light sensor: The ambient light sensor analyses the
ambinent light intensity when the auto-brightness control mode
is turned on.
• Volume keys
- Adjust the volume for ringtones, calls or notifications.
- Gently press a volume key to take a photo. To take continuous
shots of photos, press and hold the volume key.
- Press the volume down (-) key twice to launch the Camera app
when the screen is locked or turned off. Press the volume up (+)
key twice to launch
.
• Power/Lock key
- Briefly press the key when you want to turn on or off the screen.
- Press and hold the key when you want to select a power control
option.