Visioneer XP100 Guia de Instalação descarregar pdf (Página 34)

30 VISIONEER STROBE XP 100 SCANNER INSTALLATION GUIDE

■ Color—scans the image in full color. Use this setting to scan color

photographs and other color images. The file size is the largest of

the color mode options.

■ Resolution (dpi)—determines the amount of detail you can see in

the scanned image. The resolution setting for a scan is in dots-per-

inch (dpi). The higher the resolution, the finer the details,

however, higher dpi settings also take longer to scan and produce

larger files sizes. Usually the higher resolution settings are used for

precision work, such as photographs or fine artwork.

■ Scan Size—selects the size of the item you’re scanning. Choose a

scan size from the drop-down list. The dotted red outline on the

picture area represents the scan size. You can drag the edges and

corners of the red selection box to fit the image.

■ Filter—the descreen filter removes the patterns or dots that

sometimes give a distorted or wavy appearance to pictures from

magazines or newspapers. See page 22 for an example.

■ Brightness—the lightness or darkness of the image. Drag the

slider to make the image lighter or darker.

■ Contrast—the difference between the lighter and darker shades in

the images. Drag the slider to increase or decrease the contrast.

■ Gamma—the range of midtone colors on an image. By changing

the gamma you can adjust midtone levels without losing details

from the lightest or darkest areas.

■ Highlight/Shadow—Images have light and dark areas. The

highlight is the lightest spot on an image; shadow is the darkest

spot. The range of colors between the highlight and shadow

determines the range of colors of the image. Using the Highlight/

Shadow sliders, however, you can extend the original range of

colors between the highlight and shadow to reveal more details in

the midrange colors.

■ Unit—toggles the units on the ruler around the preview picture

from inches to centimeters.

Note: You can see the file size at the bottom of the Scan window.

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Visioneer XP100 Guia de Instalação Página 34