Setting Preferences and Scanning with ScanGear MF 3-27Scanning3■ Input SizeYou can specify the width and height of the parameters of the scan by entering avalue. After entering the value, press the Enter key, and the size of the croppingframe will change. Click to change the icon to and maintain the width andheight proportions of the image.IMPORTANT• Some applications have a limit to the amount of image data they can receive. If theparameters of a scan contain more than 21,000 x 30,000 pixels, the image will not bereceived.• The values you can enter will be within the parameters of the document size you haveselected.• Minimum parameters of an image with [Output Resolution] is set to [600] dpi are 96 x 96pixels.Output Settings■ [Color Mode]Selects the type of document and the way in which it will be scanned.■ [Output Resolution]Selects the resolution for the scan. If you have selected [Color] for [Color Mode],either click or type a resolution between 25-2400 dpi (in 1 dpi increments), or enterone of the values 4800, 7200 or 9600 dpi. If you have selected [Black and White],[Grayscale], or [Text Enhanced], either click or type a resolution between 25-600dpi (in 1 dpi increments). For details, see "Determining Resolution," on p. 3-42.[Black and White] Select this mode when outputting photos and other documents tomonochrome printer. The image is displayed in black and white. Thecontrast in the image is divided at certain levels (threshold values) intoblack and white and is displayed in two colors. Threshold can be seton the [Halftone] button.[Grayscale] Select this mode to scan black and white photos or monochromeimages. The image is expressed in a 0-255 scale of black and white.[Color] Select this mode to scan color documents. The image is expressed in256 levels (8 bit) of R(ed), G(reen) and B(lue).[Text Enhanced] Select this mode to scan texts crisply, particularly to process it withOCR software. The image is displayed in black and white. Thedocument is scanned in grayscale and then converted to black andwhite, therefore takes longer than the [Black and White] setting.