HP Scanjet 5490c HP Scanjet 4400C/5400C Series Scanner Windows - (English) Use - Page 121
Text Labels, ToolTips, What's This? Help, Smart Friends, Status bar
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120 c Glossary To press and release the left mouse button once. Right-click means to press and release the right mouse button once. Pixels in an image that are extremely light or extremely dark and that would lose detail when the image is printed or displayed. Cyan, Magenta, Yellow, Black. The color model in which all colors are composed of Cyan, Magenta, and Yellow, the primary colors of pigments like ink, plus Black. Printers use CMYK to print in color. Text that has been rendered into digital format by an OCR program. The preservation of balance between colors throughout the tonal range. Color balance is particularly important when scanning objects that include neutral tones (grays) or large areas of consistent color. The red, green, and blue components from which colors are created. The process of adjusting an image to compensate for input and output device characteristics or color flaws in the original image. Back to TOC The number of colors that a monitor can display at once. Most PC monitors display 8-bit color (256 colors), 16-bit color (about 65,000 colors), 24-bit color (about 16 million colors), and 32-bit color. The higher the color depth, the more lifelike images look on screen. A tool used to adjust the color balance and hue. The ability to adjust settings that determine how the scanner buttons and scanning software perform operations. Context-sensitive Help answers questions related to specific features in the currently displayed window. The Help is provided in six ways: Text Labels, ToolTips, What's This? Help, Smart Friends, Status bar messages, and Help commands. The range between the lightest and darkest shades in an image. An image with high contrast has few gray shades between black and white and appears to be dominated by stark light and dark tones. An image with low contrast has many shades of gray and tends to look flat and dull. Change contrast using the highlight, shadow, and midtone settings. This range determines the number of bits used for exposure compensation, shadow detail, and black-and-white threshold adjustment displays. The higher the bit depth, the finer the level of control in adjusting these image manipulation functions.