This document is intended to provide information on using ColorWizzard monitor characterization within Photoshop.
Photoshop Version 5 and greater come with a utility called Adobe Gamma. To avoid conflicts, it is important to use only one calibrator and avoid double- correction. To disable Adobe Gamma, remove it from the startup group. The procedure is simple:
• Go to the Start\Programs\Startup menu
• Click the entry called Adobe Gamma Loader.exe
• Drag it onto the desktop and delete. (This does not delete the program, only the shortcut.)

Working Spaces
Working spaces are used to define the color appearance of the RGB, Lab or CMYK color model with which Photoshop works. This document is concerned only with the RGB color model.

The working space and monitor profile are very different:
• Monitor profiles describe how your monitor displays color (what value equals what color on your monitor)
• Working spaces define the color appearances of files in a standard, and abstracted way (what value equals what color on a standard, ideal, theoretical device)

When Photoshop displays an image file on screen, it converts:
• First, the image data from its color space (defined by an embedded profile) to the working space (depending your settings, this step is skipped when the color spaces are identical or you may be asked for instructions)
• Then, the pixel values from the working space to the monitor color space by using the monitor profile defined by the OS (in this case created by ColorWizzard).
These display-only pixel values are only used to send data to the monitor but are not otherwise associated with the file (the working space is).

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