Samsung SGH-I777 User Manual (user Manual) (ver.f4) (English(north America)) - Page 20
Side Views of Your Phone - unlock
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Side Views of Your Phone 1 23 15 1. Volume keys: allow you to adjust the ringer volume while in standby mode or adjust the voice volume during a call. 5 When receiving an incoming call, briefly press down either volume key ( ) to mute the ring tone. Adjusts text size when reading a message or using the browser in the Applications folder. 2. Power/Accessory Interface connector: allows you to 4 connect a Travel Charger or other optional accessories such as a USB/data cable or a hands-free headset for convenient, hands-free conversations. 3. Microphone: allows other callers to hear you when you are speaking to them. 4. 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 28. 5. 3.5mm Headset jack: allows you to plug in headphones.