LG stylo 2 -k540 User Manual page 20

Proximity/Ambient light sensor
- Proximity sensor: The proximity 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 Capture+.
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.
Some functions may be restricted for access, depending on the
device specifications.
Do not put heavy objects on the device or sit on it, as this may
damage the screen.
Screen-protective film or accessories may interfere with the
proximity sensor.
If your device is wet or is being used in a humid place, the touch
sensor or buttons may not function properly.
Basic Functions 19