ZTE Speed - Manual (Page 17)

Phone Basics 7
Key Functions
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Ambient Light and 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 keypresses.
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Front Camera Lens takes pictures and records videos while facing the screen, and allows you
to video conference.
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Earpiece lets you hear the caller and automated prompts.
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Touchscreen displays all the information needed to operate your phone, such as the call
status, the Contacts list, and the date and time. Also provides one-touch access to all of your
features and applications.
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Menu Key allows you to access available options on the current screen with one touch.
Touch and hold to open the recently-used applications window.
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Home Key returns you to the home screen. Touch and hold to open the Google
application.
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Back Key lets you return to the previous screen, or close a dialog box, options menu, the
Notifications panel, or onscreen keyboard.
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LED displays a phone notification, charging status, or alert.
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Power Button lets you turn the phone or the screen on or off, restart the phone, or switch your
phone to silent mode, vibration mode, or airplane mode.
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Speaker lets you hear the different ringtones and sounds. The speaker also lets you hear the
caller’s voice in speakerphone mode.
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Charging/micro-USB Jack allows you to connect the phone charger or the USB cable
(included).
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Microphone transmits your voice for phone calls or records your voice or ambient sounds for
voice recordings and videos. The microphone on the back of the phone is useful for canceling
ambient noise during a phone call.
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Flash helps illuminate subjects in low-light environments when the camera is focusing and
capturing a picture or video.
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Volume Button allows you to adjust the ringtone or media volume or adjust the voice volume
during a call.
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Back Camera Lens lets you take pictures and videos.
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3.5 mm Headset Jack allows you to plug in either a stereo headset or an optional headset for