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Basic Functions 15
• Proximity/Ambient light sensor
- Proximity sensor: During a call, 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 analyzes the
ambient light intensity when the auto-brightness control mode
is turned on.
• Volume keys
- Adjust the volume for ringtones, calls or notifications.
- While using the Camera, 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 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. Doing so may
damage the touch 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
screen or buttons may not function properly.
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