Back view – Samsung SGH-T879ZBBTMB User Manual
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Understanding Your Device 30
12. Proximity Sensor detects how close an object is to the
surface of the screen. This is typically used to detect
when your face is pressed up against the screen, such
as during a phone call.
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While talking on the phone, the sensor detects talk activity and
locks the keypad to prevent accidental key presses.
13. Light Sensor lets you use the ambient light level to
adjust the screen brightness/contrast. This sensor
decreases screen brightness in dim light.
• In a bright light condition (outdoors), the sensors cause the
device to increase the brightness and contrast for better
viewing.
• In dim light conditions, the device increases the screen
brightness to compensate.
14. Headset jack allows you to connect a hands-free
headset so you can listen to music.
Back View
The following illustration shows the external elements of your
device:
1. S Pen is a built-in stylus that allows you to perform
various functions. For more information, refer to “S
2. External speaker allows you to hear ringers, music, and
other sounds offered by your phone.
3. microSD Card Slot (internal) allows you to use a
microSD card to expand the memory of your device.
4. Flash is used to take photos in low-light conditions.
5. Camera lens is used to take photos.
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