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AboutTheseArrows Throughout this book, and throughout the Missing Manual series, you'll fnd sentences like this one: "Open your HomeLibraryPreferences folder." That's shorthand for a much longer instruction that directs you to open three nested folders in sequence, like this: "In the Finder, choose GoHome. In your Home folder, you'll fnd a folder called Library. Open that. Inside the Library window is a folder called Preferences. Double-click to open it, too." Similarly, this kind of arrow shorthand helps to simplify the business of choosing commands in menus, as shown in Figure I-1. Figure I-1: In this book, arrow notations help to simplify folder and menu instructions. For example, "Choose aDockPosition on Left" is a more compact way of saying, "From the a menu, choose Dock; from the submenu that then appears, choose Position on Left," as shown here. About This Book Technical Notes for PAL People If you live in the Americas, Japan, or any of 30 other countries, your camcorder, VCR, and TV record and play back a video signal in a format that's known as NTSC. Even if you've never heard the term, every camcorder, VCR, TV, and TV station in your country uses this same signal. (The following discussion doesn't apply to high-defni- tion video, which is the same across continents.) What it stands for is National Television Standards Committee, the gang who designed this format. What it means is incompatibility with the second most popular format, which is called PAL (Phase Alternating Line, for the curious). In Europe, Africa, the Middle East, Australia, and China (among other places), everyone's equipment uses the PAL format. You can't play an American tape on a standard VCR in Sweden--un- less you're happy with black-and-white, sometimes jittery playback. Tip: France, the former Soviet Union countries, and a few others use a third format, known as SECAM. iMovie doesn't work with SECAM gear. To fnd out what kind of gear your country uses, visit a Web site like introduction