Apple iPhone iOS 5.1 User Manual
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123 About Contacts
123 Syncing contacts
124 Searching contacts
124 Adding and editing contacts
125 Unified contacts
125 Contacts accounts and settings
126 About Videos
126 Playing videos
127 Searching for videos
127 Watching rented movies
127 Watching videos on a TV
128 Deleting videos from iPhone
128 Using Home Sharing
128 Setting a sleep timer
129 Converting videos for iPhone
130 Using the calculator
130 Scientific calculator
131 About Compass
131 Calibrating the compass
132 Finding the direction
132 Using Compass with Maps
133 About Voice Memos
133 Recording
134 Listening to a recording
134 Managing and sharing recordings
134 Sharing voice memos with your computer
135 About Nike + iPod
135 Activating Nike + iPod
135 Linking a sensor
136 Working out with Nike + iPod
136 Calibrating Nike + iPod
136 Sending workout data to nikeplus.com
137 About iBooks
137 Using the iBookstore
138 Syncing books and PDFs
138 Reading books
140 Changing a book’s appearance
140 Printing or emailing a PDF
140 Organizing the bookshelf
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