Samsung SGH-T759ZPBTMB - Manual (Page 26)

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7. Quick search is used to search the device for applications,
contact information, or searches the internet for
information.
8. Back key redisplays the previous screen or clears entries.
9. Display shows all the information needed to operate your
phone, such as the connection status, received signal
strength, phone battery level, and time.
10. Power/End key ends a call or switches the phone off and
on. Press and hold for two seconds to turn off Silent,
Data network mode, Flight mode, or to turn the phone on
or off.
11. 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.
12. Headset jack allows you to connect a hands-free headset
so you can listen to music.
13. Light Sensor lets you use the ambient light level to adjust
the screen brightness/contrast.
• 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. Receiver allows you to hear the other caller and the
different ring tones or sounds offered by your phone.
15. Front Facing Camera allows you to take pictures while
facing the screen and allows you to video conference.
Note: Video recorded in Portrait mode is reversed during playback.