Fujitsu fi-5530C Operator's Guide - Page 34
Dither Pattern 1 - download
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Resolution You can specify the number of pixels (dots) per inch. Select a preset resolution from the list or type in any value (from 50 to 600, or 1200) in the box. (If you enter a number from 601 to 1199, the resolution is automatically set to 300 dpi.) The higher the resolution, the more memory is required. Halftone You can select a halftone pattern. This setting is available when [Black and White] is selected under [Mode]. Dither Pattern 0 : This setting is suitable for scanning highly-colored photographs. Dither Pattern 1 : This setting is suitable for scanning highly-colored documents containing both text and photographs. Dither Pattern 2 : This setting is suitable for scanning lightly-colored photographs. Dither Pattern 3 : This setting is suitable for scanning lightly-colored documents containing both text and photographs. Error Diffusion : This function minimizes differences between a target pixel and pixels near the target. Download : This function processes gray tone images with the dithered pattern downloaded. Cropping Select how to crop scanned document images to output. Fixed : Scanned document images are output in a specified size. Detect Length : The rear end of a scanned document is detected and scanning is performed for the original length. When shorter sheets are included in a batch of documents to scan, output images are adjusted to their original size. Automatic : The page size of the scanned documents is automatically detected and the images are output in the detected page size. The skew of documents is also automatically detected and corrected to output correct images. Brightness You can set the brightness of the entire image. Specify a number from 1 (darkest) to 255 (brightest) as the brightness value. The higher the value, the brighter the image. The lower the value, the darker the image. Contrast You can set the contrast of the scanned image. Specify a number from 1 (low [soft]) to 100 (high [sharp]) to increase brightness for the entire image. Select a higher value to emphasize the difference in brightness between the light and dark areas of the image. 18