Canon CanoScan D660U ScanGear CS-U 5.8 User's Guide - Page 40
Keep Proportions button, Units, Width and Height, Scale - specifications
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chapter 4 What is on the Screen? Top Page Glossary Contents Index Selection Use the Selection options to set the exact size of the image output. To select the area to scan, use the Crop button or Auto Crop button or enter the desired dimensions in the text box. Note • Keep Proportions button Click this button to maintain the Width and Height proportions. If you change Width or Height, the other setting will be adjusted automatically to maintain the proportion of the original image. When this button is clicked, a chain appears between the Width and Height boxes. As you enlarge or reduce the selection, note that the Width and Height of the selection remain in correct proportion. • Units Click the down-arrow and select a unit to measure the scanning area. Changing the Units setting does not affect the image in the Preview Area. • Width and Height The width and height of the current selection, or if there is no selection, the maximum output size, measured from the upper left corner of the image in the Preview Area and based on the current paper size. To change the Width and Height settings, click the Crop button on the toolbar and select a section of the image in the preview area, or just type the desired dimensions into the Width and Height text boxes. • Scale Allows you to specify the image size after scanning 25% to 200% (preset to 100%) as a percentage of the specified scan area. The resolution of the scanned image is kept to the specification so that the resolution when scanning changes according to the setting here. • When the resolution is set to 4800, 7200 or 9600, the Scale value is set to 100%. Note • Scale setting sets the scale for the image sent to the parent software application and has no effect on the image displayed in the preview area. 40