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14
1. 3.5mm Headset jack
: allows you to plug in headphones.
2. Volume keys
: allow you to adjust the ringer volume while
in standby mode or adjust the voice volume during a
call. When receiving an incoming call, briefly press
down either volume key (
)
to mute the ring
tone. Adjusts text size when reading a message.
3. Power/Accessory Interface connector
: allows you to
connect a Travel Charger or other optional accessories
such as a USB/data cable or a hands-free headset.
4. Microphone
: allows other callers to hear you when you
are speaking to them. It is also used for the
Speakerphone.
5. Power/Lock key
: (
) lets you power your
phone on and off. Also allows you to lock or unlock the
touch screen. For more information on locking your
phone, see
“Locking and Unlocking the Phone”
on
page 26.
6. Infrared Blaster
: Used to emit infrared signals used for
controlling external devices.
7. Microphone
: used for noise cancellation and stereo
recording.
Rear View of Your Phone
1. Camera lens
: is used to take pictures and shoot videos.
2. External speaker
: allows you to hear when the
Speakerphone is turned on.
3. Flash
: is used to provide extra light when taking pictures
in dark places.
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Summary of Contents for SGH-I257M
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