Understanding Your Phone 201. Microphone: used for noise cancellation and stereorecording.2. 3.5mm Headset jack: allows you to plug in headphones.3. Volume keys: allow you to adjust the ringer volumewhile in standby mode or adjust the voice volumeduring a call. When receiving an incoming call, brieflypress down either volume key ( ) to mutethe ring tone. Adjusts text size when reading amessage.4. Microphone: allows other callers to hear you when youare speaking to them. It is also used for theSpeakerphone.5. Power/Accessory Interface connector: allows you toconnect a Travel Charger or other optional accessoriessuch as a USB/data cable or a hands-free headset forconvenient, hands-free conversations.6. Power/Lock key: ( ) lets you power yourphone on and off. Also allows you to lock or unlock thetouch screen. For more information on locking yourphone, see “Locking and Unlocking the Phone” onpage 35.7. Infared sensor: allows you to use your phone as a tvremote for select TVs. For more information, refer to“WatchON” on page 206.Rear View of Your Phone1. Camera lens: is used to take pictures and shoot videos.2. External speaker: allows you to hear when theSpeakerphone is turned on.213
