DRAFTInternal Use OnlyUnderstanding Your Device 299. Headset jack allows you to connect a hands-freeheadset so you can listen to music.10. Proximity Sensor detects how close an object is to thesurface of the screen. This is typically used to detectwhen your face is pressed up against the screen, suchas during a phone call.• While talking on the phone, the sensor detects talk activity andlocks the keypad to prevent accidental key presses.11. Light Sensor lets you use the ambient light level toadjust the screen brightness/contrast. This sensordecreases screen brightness in dim light.• In a bright light condition (outdoors), the sensors cause thedevice to increase the brightness and contrast for betterviewing.• In dim light conditions, the device increases the screenbrightness to compensate.12. Receiver allows you to hear the other caller and thedifferent ring tones or sounds offered by your phone.Back ViewThe following illustration shows the external elements of yourDevice:1. External speaker allows you to hear ringers, music, andother sounds offered by your phone.2. SIM Card Slot (internal) Installation location for SIMcard.3. microSD Card Slot (internal) allows you use a microSDcard to expand the memory of your device.4. Camera lens is used to take photos.5. Flash is used to take photos in low-light conditions.341 52
