Samsung ATT_SGH_I727_CELOX_UM_KJ1_WC_102711_F7 - Manual (Page 22)

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Side Views of Your Phone
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.
3. Microphone: allows other callers to hear you when you are
speaking to them.
4. 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 for
convenient, hands-free conversations.
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 29.
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