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How well does the scanner distinguish between erasures and marks?

April 26, 2017distinguish erasures marks scanner

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How well does the scanner distinguish between erasures and marks?

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The scanner has excellent mark discrimination which is based on Apperson’s proven OMR technology. Through DataLink™ you can configure the scanner to select the darkest mark, or set a discrimination level that will allow multiple marks that fall within a certain darkness range of the darkest mark. The scanner discriminates very well between poor erasures and intended marks.