This Display & Cursors Preferences dialog box enables you to set several options that control how cursors display on-screen and three display parameters that may affect how quickly your computer completes an operation. The following list describes these options:
-->Color Channels in Color: When selected, this option tells Photoshop to show each of the color channels (for example, red, green, blue or cyan, magenta, yellow, and black) in their respective colors in the Channels palette. In most cases, you won’t want to use this feature. You need to be able to see the channels in their grayscale form to perform image-editing tasks such as converting from color to grayscale, channel masking, or for selective sharpening on certain channels.
-->Use Diffusion Dither: This option is a holdover from the days when those working with images sometimes used graphics cards and displays that could show only 256 different colors. With this feature active, Photoshop simulates all the colors in an image by creating mixtures of the 256 available colors in a pattern that the human eye automatically merges together. You can use this option to work with full-color, 24-bit images in 256-color viewing mode. However, any computer that meets the specs needed to run Photoshop should be able to operate in full-color display mode.
-->Use Pixel Doubling: Many dialog boxes and tools have preview windows that show the effect of the settings you’re working with. With this feature active, Photoshop doubles the size of the pixels in the preview only, reducing the resolution of the preview but speeding display.
-->Painting and Other Cursors: Choose the Standard option to show a tool’s cursor as an icon representing the tool itself (although I don’t know why you’d want to do this). Use Precise to switch to a cursor that has crosshairs, which is useful for positioning the center of a tool’s operational area in a particular place. Brush Size (available for painting tools only) tells Photoshop to show the cursor in the same size as the brush itself. Most users prefer to set the painting cursors to Brush Size and the other cursors to Precise. Some folks do complain that precise cursors are hard to see against some backgrounds, but you can always press the Caps Lock key to toggle precise cursors on or off.
-->Color Channels in Color: When selected, this option tells Photoshop to show each of the color channels (for example, red, green, blue or cyan, magenta, yellow, and black) in their respective colors in the Channels palette. In most cases, you won’t want to use this feature. You need to be able to see the channels in their grayscale form to perform image-editing tasks such as converting from color to grayscale, channel masking, or for selective sharpening on certain channels.
-->Use Diffusion Dither: This option is a holdover from the days when those working with images sometimes used graphics cards and displays that could show only 256 different colors. With this feature active, Photoshop simulates all the colors in an image by creating mixtures of the 256 available colors in a pattern that the human eye automatically merges together. You can use this option to work with full-color, 24-bit images in 256-color viewing mode. However, any computer that meets the specs needed to run Photoshop should be able to operate in full-color display mode.
-->Use Pixel Doubling: Many dialog boxes and tools have preview windows that show the effect of the settings you’re working with. With this feature active, Photoshop doubles the size of the pixels in the preview only, reducing the resolution of the preview but speeding display.
-->Painting and Other Cursors: Choose the Standard option to show a tool’s cursor as an icon representing the tool itself (although I don’t know why you’d want to do this). Use Precise to switch to a cursor that has crosshairs, which is useful for positioning the center of a tool’s operational area in a particular place. Brush Size (available for painting tools only) tells Photoshop to show the cursor in the same size as the brush itself. Most users prefer to set the painting cursors to Brush Size and the other cursors to Precise. Some folks do complain that precise cursors are hard to see against some backgrounds, but you can always press the Caps Lock key to toggle precise cursors on or off.
Adjusting your display and cursors in Photoshop
![Adjusting your display and cursors in Photoshop]()
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