iPhone THE MISSING MANUAL - Cdn.oreilly.com

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106 A Tale of Two Networks The iPhone is capable of getting online using either of two methods (which is one more than most phones): • • Wi-Fi hot spots. Wi-Fi, known to the geeks as 802.11 and to Apple fans as AirPort, means wireless networking. It’s the same technology that lets laptops the world over get online at high speed in any Wi-Fi hot spot. Hot spots are everywhere these days: in homes, offices, coffee shops (notably Starbucks), hotels, airports, and thousands of other places. at www.jiwire.com, you can type an address or a city and find out exactly where to find the closest Wi-Fi hot spots. or, quicker yet: open Maps on your iPhone and type in, for example, wifi austin tx or wifi 06902. Pushpins on the map show you the closest Wi-Fi hot spots. When you’re in a Wi-Fi hot spot, your iPhone has a very fast connection to the Internet, as though it’s connected to a cable modem or DSL. Better yet, when you’re online this way, you can make phone calls and surf the Internet simultaneously. And why not? Your iPhone has two independent antennas—one for Wi-Fi, and one for the cell network. AT&T’s cellular network. Unfortunately, the whole world is not yet a Wi- Fi hot spot. Whenever you’re outdoors, in a taxi, or otherwise in a non-Wi- Fied area, you have a Plan B to fall back on: AT&T’s own cellular network. That is, your iPhone can connect to the data over the same airwaves that carry your voice. The problem with the AT&T data network (called the EDGE network), of course, is that it’s slow. Really slow—sometimes dial-up slow. And you can’t be on a phone call while you’re online using EDGE. aT&T also has a much faster data network—its so-called “3g” (third-generation) network. But it’s available only in 160 u.S. cities so far, and the chips required to receive it draw an enormous amount of battery power. For those reasons, apple designed the iPhone to use the older, slower network until the newer, faster one, and the chips necessary to receive it, improve. Chapter 6
Just how much faster is Wi-Fi than EDGE? Well, network speeds are measured in kilobits per second (which isn’t the same as the more familiar kilobytes per second; divide by 8 to get those). AT&T’s EDGE network is supposed to deliver anywhere from 70 to 200 kbps; a Wi-Fi hot spot is capable of delivering 6,500 to 2,100 kbps. You’ll never get speeds near the high ends of those ranges—but even so, you can see that there’s quite a difference. The bottom line: getting online via Wi-Fi is awesome, and getting online via EDGE is…well, not so much. That’s why the iPhone always prefers, and hops onto, a Wi-Fi connection when it’s available. Sequence of Connections The iPhone isn’t online all the time. To save battery power, it actually opens the connection only on demand: when you check email, request a Web page, open the YouTube program, and so on. At that point, the iPhone tries to get online following this sequence: • First, it sniffs around for a Wi-Fi network that you’ve used before. If it finds one, it connects quietly and automatically. You’re not asked for permission, a password, or anything else. getting online 107
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“Pogue, the New York Times comput
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iPhone The Missing Manual
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Contents The Missing Credits . . .
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Cookies, Cache, and Other Security
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The Missing Credits David Pogue (au
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• Windows Vista: The Missing Manu
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Introduction You can say the iPhone
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• • connection or via AT&T’s
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1 The Guided Tour If you had never
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• If you change your mind about t
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huge reason that Apple chose AT&T a
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Screen Icons Here’s a roundup of
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Some beginners forget that the Home
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speaker, the microphone, and the 30
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Tap You’ll do a lot of tapping on
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Double-Tap Double-tapping is actual
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• The iPhone has a Caps Lock feat
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• • So you can save time by del
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In fact, you can type any of the pu
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You recharge the iPhone by seating
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2 Phone Calls As you probably know,
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• • Tap a name or number to dia
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Multitasking Don’t forget, by the
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When you’re finished, tap Hide Ke
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Whenever you’re on two calls at o
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Your iPhone’s own phone number ap
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➌ Type the person’s name. See p
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In either case, you wind up with th
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To zap someone, tap the name in the
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The Favorites list holds 20 numbers
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• • If so, the Call Details scr
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If you, a person in Oprah’s tax b
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3 Fancy Phone Tricks Once you’ve
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Page 69 and 70: • • Greeting. Tap this button (
Page 71 and 72: • • • As with email, the reci
Page 73 and 74: The Text List What’s cool is that
Page 75 and 76: Address it by tapping the + button,
Page 77 and 78: Of course, the iPhone itself doesn
Page 79 and 80: The only thing worth noting about t
Page 81 and 82: Bluetooth equipment. If all goes we
Page 83 and 84: 4 Music and Video Of the iPhone’s
Page 85 and 86: • • • To start playing a song
Page 87 and 88: • • • the 1600s,”“Kazoo C
Page 89 and 90: So what, exactly, is Cover Flow for
Page 91 and 92: Controlling Playback (Music) Once y
Page 93 and 94: To hide the slider, Loop, and Shuff
Page 95 and 96: • • • Play/Pause (÷/¿). The
Page 97 and 98: Fortunately, if this effect winds u
Page 99 and 100: • When you’re finished, tap Don
Page 101 and 102: 5 Photos and Camera This is a short
Page 103 and 104: Next is Photo Library, which means
Page 105 and 106: • pixel originals of pictures you
Page 107 and 108: • • • Send icon. Tap the icon
Page 109 and 110: Photos by Email—and by Text Messa
Page 111 and 112: Ah, but this is why you bought an i
Page 113 and 114: All the same, the camera is capable
Page 115 and 116: The Camera Roll screen shows, at th
Page 117: 6 Getting Online The iPhone’s con
Page 121 and 122: your work by bounding in, wagging,
Page 123 and 124: in the Safari Web browser, the mess
Page 125 and 126: 7 The Web The Web on the iPhone loo
Page 127 and 128: • • • • • • ± (Add Boo
Page 129 and 130: • Double-tap. Safari is intellige
Page 131 and 132: The Address bar is the strip at the
Page 133 and 134: you’ve visited them recently). If
Page 135 and 136: Editing Bookmarks and Folders It’
Page 137 and 138: Once the History list appears, just
Page 139 and 140: Searching the Web You might have no
Page 141 and 142: • • • • BBC News. You can f
Page 143 and 144: • You can open a third window, an
Page 145 and 146: The cache is a little patch of the
Page 147 and 148: 8 Email You ain’t never seen emai
Page 149 and 150: Now you land on the account-informa
Page 151 and 152: These account types require more se
Page 153 and 154: • • Outlook. Choose ToolsÆE-ma
Page 155 and 156: • • Little League, Old Stuff, w
Page 157 and 158: Use the Return key to create blank
Page 159 and 160: for the pleasure of watching the an
Page 161 and 162: might need only occasionally. They
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Page 165 and 166: Signatures A signature is a bit of
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desktop email program, you may get
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To set up your VPN connection, visi
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9 Maps and Apps Your Home screen is
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• • Day shows the appointments
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• Then tap Ends, and repeat the p
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• Notes. Here’s your chance to
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that, coincidentally, is playable o
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once you’ve tapped More to see th
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Finally, there’s a Î button at t
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• • Add a stock by tapping the
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two fingers (page 18) to magnify or
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That pushpin business also comes in
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Driving Directions If you tap the !
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Traffi c No, the iPhone doesn’t h
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When you tap Search, you’re shown
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major city. As you type, a scrollin
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• • Label. Tap to give this ala
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While the digits are flying by, you
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And what is the number in memory? P
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10 iTunes for iPhoners For the five
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Here’s the basic rule of using iT
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From now on, if you don’t want th
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Audiobooks Some people like the sou
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That nice iTunes even gives you som
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• Audio formats like MP3, AAC, pr
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11 Syncing the iPhone When you get
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In that case, you can stop the auto
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Syncing Music and Audio Books The i
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Click it to look it over, if you li
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If you want only some of the albums
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Windows Vista • Windows XP Scroll
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Windows Mail Windows Mail, included
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It’s trickier on the PC version o
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Outlook 2003/2007 Calendar (Windows
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information to the iPhone, so that
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Conflicts If you use only one machi
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the phone: Contacts, Calendars, Mai
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12 Add-Ons: Accessories and Web App
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• gOffice for iPhone. Believe it
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• • Tap a product category to s
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• • The iPhone is also a phone,
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Earphones If you’ve ditched your
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13 Settings Your iPhone is a full-b
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• • Choose a Network. Here, you
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• • Call Time. These two statis
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• • Brightness slider. Drag the
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• • About. Tapping this item op
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house or the office, or to protect
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Ordinarily, every time you type som
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• • Signature. A signature, of
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• • ing to call in. But if you
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• iPod Clear Cache. See page 259.
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A Setup and Signup The iPhone stand
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• If that’s what you want, fill
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• • • • Billing Information
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And that’s the ball game. You now
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B Troubleshooting and Maintenance T
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• your stuff—all of it. Music,
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Turns out this is a software bug, n
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But when you’re out and about, an
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Warranty and Repair The iPhone come
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• • • • them in one fell sw
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.Mac accounts, 136-139 802.11 netwo
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cradle see charging dock currency s
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phone features, 29-52 photos, 89-10
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phone features, 29-52 answering cal
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speed dial see Favorites list sprea
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Safari tour, 114-115 scrolling fram
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The book that should have been in t
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