LG -K420n Bedienungsanleitung Seite 384

Power/Lock Key
Volume Keys
NOTE : Proximity Sensor
When receiving and making calls, the proximity sensor automatically turns
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the backlight off and locks the touch screen by sensing when the phone is
near your ear. This extends battery life and prevents you from unintentionally
activating the touch screen during calls.
WARNING
Placing a heavy object on the phone or sitting on it can damage the display
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and touch screen functions. Do not cover the proximity sensor with screen
protectors or any other type of protective film. This could cause the sensor to
malfunction.
WARNING
The NFC antenna for this model is on the back cover.
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Be careful not to damage the NFC touch point on the phone, which is part of
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the NFC antenna.
Basics
Turn your device on/off by pressing and holding
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this key.
Short press to turn on/off the screen.
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While screen is off:
Press Volume Up Key twice to launch Capture+.
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Press Volume Down Key twice to launch
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Camera and take a picture.
On the Home screen:
Control ringer volume.
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During a call:
Control your earpiece volume when playing
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audio/video.
Control volume continuously.
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