Samsung Galaxy S 4 User Manual page 20

● Power/Lock Key lets you turn the phone on or off, turn the screen on or off, or lock the screen.
Press and hold for a Device options menu, where you can turn the phone off or restart it, or for
easy access to Airplane mode, and to Mute, Vibrate, and Sound modes.
● Back Key lets you return to the previous screen, or close a dialog box, options menu, the
Notification Panel, or onscreen keyboard.
● Home Key returns you to the Home screen. Press and hold to open the recently used
applications window, and access Task Manager and Google Search.
● Menu Key allows you to access a menu from most of your phone's screens.
● Volume Key adjusts the volume of your phone's sounds. From the Home screen, press to adjust
master volume. During calls or playback, press to adjust volume. Press to mute the ringtone of an
incoming call.
● Cover Release allows you to lift the cover from the back of your phone.
● Infrared Transmitter allows you to control other devices, such as a TV, in conjunction with apps
like WatchON.
● Camera lets you take pictures and record videos.
● Flash helps illuminate subjects in low-light environments when the camera is focusing and
capturing a photo or video.
● Microphones allow other callers to hear you when you are using the speakerphone, and
captures sound during recording.
3.5 mm Headset Jack allows you to plug in either a stereo headset (not included) or a headset
●
(not included) for convenient, hands-free conversations.
● Speaker plays ringtones and sounds. The speaker also lets you hear the caller's voice in
speakerphone mode.
● USB Charger/Accessory Port allows you to connect the phone charger/USB cable (included)
and other optional accessories (not included).
CAUTION: Inserting an accessory into the incorrect port or jack may damage the phone.
Phone Basics 8