Samsung SGH-T589 User Manual page 24

Microphone is used during phone calls and allows other
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callers to hear you clearly when you are speaking to them. It
is also used to make voice note recordings.
Quick search is used to search the device for applications or
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contact information, or searches the internet for information.
Back key redisplays the previous screen or clears entries.
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Display shows all the information needed to operate your
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phone, such as the connection status, received signal
strength, phone battery level, and time.
Power/End key ends a call or switches the phone off and on.
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Press and hold for two seconds to turn off Silent, initiate
Flight mode, or to turn the phone on or off.
USB Power/Accessory connector allows you to connect a
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power cable or optional accessories such as a USB/data
cable.
Light Sensor lets you use the ambient light level to adjust
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the screen brightness/contrast.
• In a bright light condition (outdoors), the sensors cause the device
to increase the brightness and contrast for better viewing.
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• In dim light conditions, the device reduces the screen brightness
to compensate.
Headset jack allows you to connect a hands-free headset so
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you can listen to music.
Proximity Sensor detects how close an object is to the
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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.