Kodak 8342693 User Guide - Page 65
Extended Scanner bar, Specific options for the i820 Scanner and i840 Scanner
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Extended Scanner bar The Extended Scanner bar has all of the options listed previously plus the following options: Specific options for the i820 Scanner and i840 Scanner Button Description Threshold-controls the lightness and darkness of the background in an image. Valid values are 0 to 255. Contrast-contrast enhances the edges contained in a document. The higher the contrast level, the more the image edges will be enhanced. Valid values are 0 to 100. NOTES: Changing the duplex scanning format, front and rear selection, and threshold/contrast settings from the Scanner bar are temporary settings for the current scanning session and do not affect the currently selected page setup. Threshold and Contrast are only applicable when scanning in black and white. Therefore, they are not available when scanning in color with the Color Scanner 4500. However, when MultiStream™ support (i.e., where each color image is converted to a corresponding bitonal image) is enabled in the currently selected page setup, Threshold and Contrast remain enabled. When color images are binarized, the Threshold and Contrast settings are used as part of the binarization process. For the i820 Scanner and i840 Scanner, which can scan in both color and black and white simultaneously, the Extended Scanner bar has the specific settings shown below. . Button Description Threshold-controls the lightness and darkness of the background in a bitonal image. Valid values are 0 to 255. Enter a front side threshold value in the text box on the left. Enter a rear side threshold value in the text box on the right. Contrast-contrast enhances the edges contained in a document. The higher the contrast level, the more the image edges will be enhanced. Valid values are 0 to 100. Enter a front side contrast value in the text box on the left. Enter a rear side contrast value in the text box on the right. Specific options for scanners For the Scanner 3520 and i800 Series Scanners with the iThresholding with the iThresholding feature feature, the Extended Scanner bar has the specific settings shown below. . 3A-40 Button Description iThresholding-activates the iThresholding feature. When iThresholding is enabled, the Threshold ( ) entry box is disabled. A-63054 February 2004