iPhone: The Missing Manual Sneak Preview: David Pogue's Favorite iPhone Tricks IPhone finger-driven interface seems natural and obvious. There are no menus in the iPhone software, for example, and no checkboxes or radio buttons. Here, then, are some of the iPhone's unadvertised taps, double-tap, and other shortcuts, all taken from the iPhone: Missing Manual. Double-Tapping Double-tapping is actually pretty rare on the iPhone. On the iPhone, you open something with one tap. A double tap, therefore, is reserved for three functions: In Photos, Google Maps, and Safari (web browser), double-pressing the zoom in on whatever you tap, magnifying it by a factor of two. movement that emerged in other places on the iPhone) When you're watching a video., double-tapping eliminates or restore the bar letter. See, the iPhone screen bright, vibrant, sharp and stunning. They are too wide for the iPhone screen. If you double-tap the video plays, you zoom in, magnifying the image so it fills the entire screen. If this applies to wind cut something important - some text on the screen, for example - restoring the original appearance of the letter is just double-tap away. Secrets of the Sensors iPhone has three cool sensors. In programs like Photos, Safari, and iPod, it triggers the screen image to rotate as well. Camouflaged behind the black glass where you can not see them except with a bright flashlight are two more sensors: a proximity sensor that shut off the screen illumination and touch sensitivity when the phone against your head (works only in the Phone application), and a light sensor that ambient-brighten the screen when you are in sunlight and dims in dark places. Apple says that experimenting with light that has a sensor active all the time, but it was weird to have the screen get brighter and darker all the time. So now samples the ambient light sensor, and adjust the brightness, but this only once - every time you open the phone after waking it. You can use that tip to your advantage. Earbud Cord Switch Without close inspection, you will have a hard time telling the white iPhone stereo earbuds apart from the iPod's normal - but do not get them confused. The iPhone earbuds have a clicker, a small embedded / microphone partway down the right earbud cord. But if you pinch the bulge, you'll discover that the clicks. Pinch once to answer incoming phone calls. (. You can also double-tap the Sleep / Wake switch on top of the iPhone to send calls to voicemail) During music or video playback, pinch once to pause the music, pinch again to resume playback. Customizing the iPod Button Module iPod on the iPhone starts with the button at the bottom to call the four lists: Playlists, Artists, Songs, and Videos. But what about Albums? No problem: You can replace one of the starter buttons with your own list. Press More, then tap the Edit button (upper left). To replace one of the four starter icons, use a finger to drag an icon from the top of the screen downward, directly into the existing icon you want to replace. Do not put apostrophes in contractions, either, the iPhone will put people to you, too. Force Quit, Reset iPhone is pretty damn simple and stable, but still a computer. At the time of troubleshooting, these tips may be helpful: Force quit the program -. If the entire iPhone locks it can happen - press and hold both the Home button and Sleep / Wake switch for eight seconds. You will see a black screen to go, and then the Apple logo appears as the iPhone reboots. McCallum's Awesome iPhone Period-Typing Shortcut I have I have a nugget, a little secret of the iPhone is very valuable information, such as headache-and time-saver, that I do not know what to do with it. One voice in my head saying, "Hoard it I'll share with you a solution to one of the most annoying things, if not THE most annoying thing, about typing on the iPhone!: This punctuation keys and alphabet keys appear in two different keyboard layouts. So every time you want to type a period or comma, this is a three-step, awkward dance: (1) Press the button at the bottom left to call the punctuation layout "123?.". (3) Type the ABC key in the lower left to return to the alphabetical layout. Imagine how excruciating it is to type, for example, "PO That's 34 finger taps and 10 mode changes! And therefore imagine how pleased saya received an email from reader Andrew McCallum, containing the methods of typing a period or comma only with ONE finger gesture. iPhone does not register most key presses until you re * lease * your finger. Slide your finger a half inch to a period or comma key, and release. Remarkably, the ABC layout back automatically.