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2A. Device Basics 11
Device Basics
3. Volume Button allows you to adjust the ringer
volume in standby mode, the voice volume during
a call, and media playback volume.
4. microSD Card Slot lets you use a microSD card to
expand the memory of your phone. (A 2GB
microSD card comes pre-installed in your
Galaxy Prevail
™.)
5. Power Button lets you turn the device on or off,
or turn off the touchscreen display.
Ⅲ When the screen is turned off, press once to
return to Screen lock mode.
Ⅲ While the device is unlocked and not on an active
call, press and hold to display the Phone options
menu (Silent mode, Airplane mode, Power off).
6. Headset Jack allows you to plug in an optional
headset for convenient, hands-free conversations.
CAUTION! Inserting an accessory into the incorrect
jack may damage the device.
7. Charger/Accessory Jack allows you to connect the
phone charger or a USB cable (included).
CAUTION! Inserting an accessory into the incorrect
jack may damage the device.
8. Camera Button lets you activate the camera and
camcorder and take pictures and videos.
Viewing the Display Screen
Your device’s display screen provides information
about your device’s status and options. This list
identifies the symbols you’ll see on your device’s
display screen:
Status Bar – Service Icons
Activation Not Completed – Your automatic
device activation process failed, please retry.
Signal Strength – Shows your current signal
strength. (More bars = stronger signal.)
No Service – Your device cannot find a usable
signal.
Airplane Mode On – Your device will not make or
receive calls or provide data access. Local
applications are still available.
Data Service Available – Boost 1xRTT data
service is active.
SPH-M820UM.book Page 11 Monday, May 2, 2011 4:56 PM