Chapter 6 Scanning 6-15ScanningDisplaying RulersTo work precisely with a preview image, you can display rulers on the topand left borders of the preview area. The rulers display in inches orcentimetres, depending on what you have set for units of measure in theMain tab.To display rulers:On the toolbar, click Rulers.Adjusting the Selection SizeWhen you first preview an image, the selection size is the same as thepaper size you set for your source document.After your initial image preview, you can adjust the selection size of animage in order to isolate a specific area of the image for a more restrictivepreview scan. For example, in scanning a letter, you may want to isolateand save a company logo by itself.You define the selection size of your image by drawing a border aroundthe part of the image that you would like to isolate. Alternatively, youcan define and orient the dimensions of your selection with respect tothe upper left corner of the preview area. Regardless of how you defineyour selection, however, you can easily and quickly change thedimensions of the selection.In defining the selection size, regardless of the method you choose, youcan maintain the current height and width proportions of the image.For example, you set the width to 4 inches and the height to 6 inches.You change the width to 5 inches. If Keep Proportions is not selected,the height stays at 6 inches. Thus, the proportion of the page height andwidth changes. If Keep Proportions is selected when you change thewidth, the height automatically changes to 7.47 inches. The lock iconindicates that the page size will be maintained in the same proportionwhenever you change either the width or the height.
