Samsung 8.9 用户手册

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页码 188
Understanding Your Device       13
Front View
The following items can be found on the front of your device as 
illustrated.
1.
Light Sensor
: Used to control screen brightness 
automatically and when taking photos with the 
Front-facing Camera.
2.
Front-facing Camera Lens
: Used when taking photos.
3.
Display Screen
: The orientation of the display screen 
rotates with the tablet as you turn it. You can turn this 
feature on and off. For more information, refer to 
Top and Bottom Views
The following items can be found on the top and bottom of your 
device.
1.
Power/Lock Key
: Press 
and hold to turn the 
device on or off. Press 
to lock the device or to 
wake the screen for 
unlocking.
2.
Volume Key
: From a 
Home screen, press to 
adjust Master Volume. 
During music playback, 
press to adjust volume.
3.
3.5mm Headset Jack
Plug in for headphones.
4.
Microphone
: Used to pick up your voice or audio during 
recording.
5.
External Speakers
: Used in music or video playback, 
notification tones, and for other sounds.
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