Samsung GALAXY S SGH-T989D - Manual (Page 24)

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4. Menu key displays a list of options available for the current
screen. From the Home screen it displays Add, Wallpaper,
Search, Notifications, Edit, and Settings options.
5. Home key displays the Home screen when pressed.
6. Microphone is used during phone calls and allows other
callers to hear you clearly when you are speaking to them.
7. USB Power/Accessory connector allows you to connect a
power cable or optional accessories such as a USB/data
cable.
8. Quick search searches the device for applications and
contact information, and searches the internet for
information.
9. Back key redisplays the previous screen or clears entries.
10. Display shows all the information needed to operate your
phone, such as the connection status, received signal
strength, phone battery level, and time.
11. Power/End key ends a call or switches the phone off and on.
Press and hold for two seconds to turn the phone on or off.
12. Headset jack allows you to connect a hands-free headset so
you can listen to music.
13. Receiver allows you to hear the other caller and the different
ring tones or sounds offered by your phone.
14. Microphone: used to capture and record sound.
15. 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.
– While talking on the phone, the sensor detects talk activity and
locks the keypad to prevent accidental key presses.
16. Light Sensor lets you use the ambient light level to adjust
the screen brightness/contrast.
• In a bright light condition (outdoors), the sensor causes the device
to increase the brightness and contrast for better viewing.
• In dim light conditions, the device decreases the screen
brightness to compensate.