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Appendix C

About ColorSync

Mac OS–based computers use ColorSync to help make sure that the colors

you see on your monitor closely match the colors you get on your printers,

scanners, and other devices. Because ColorSync works behind the scenes,

you don’t have to know anything about it. All you need to do is initially set it

up. This appendix describes how ColorSync works and how to configure your

monitor and computer to take advantage of it.

The problem that ColorSync solves

Providing consistent color with desktop computers is a technical challenge

because different color devices use different methods for representing color,

and they produce different ranges of colors. For example, the colored light on

your monitor is very different from the colored inks your printer uses.

Different color devices also create color using different methods. Monitors

(and most scanners) produce colors by mixing red, green, and blue light—

called

RGB color. Most printers produce colors by mixing cyan (a shade of

blue), magenta (a bright pink), yellow, and black ink. This color system is

called CMYK. Since monitors, printers, and scanners each have different color

capabilities, they cannot reproduce each other’s colors exactly.

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Apple QuickTake 200 Camera Istruzioni per gli Interventi Pagina 71