LG X240H, User Manual

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Basic Functions 24
• 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
ambient 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.
• Power/Lock Key
- Briefly press the key when you want to turn the screen on or off.
- 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.