Chapter 1. The Guided Tour
Your Galaxy Tab is a powerful multimedia, productivity, and communications marvel. The first time you hold it in your hands, you’ll immediately want to put it through its paces, browsing the Web, downloading and trying out apps, playing games, watching videos, gathering news, checking your email, and more.
That’s as it should be: Your Galaxy Tab can do many remarkable things.
To help you unlock all those powers, though, it’s a good idea to get a solid understanding of how the Galaxy Tab works, and a look at all its different parts. You’ll want to know where all of its buttons, ports, and cameras are located, for example—not to mention how to get to your Home screen panes, or to a location that will become one of your best friends: the Apps Menu.

Power/Lock Key
On the upper-left rear of your Galaxy Tab as you hold it horizontally, with the small photo lens at the top, you find a small, silver button. It may be only a single button, but it’s a hard-working one, and it performs several functions:
Sleep/Wake. When your Galaxy Tab is turned on, pressing and releasing the button puts your Tab into Sleep mode, a state in which the display is turned off and the device uses only a minimum amount of power, in order to save battery life. When the Tab is in dreamland, it doesn’t register any taps, so you can’t accidentally send an email or delete every picture on your Tab. ...
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