8 - 8 4800p 2D Imager User’s GuideOCR Check CharacterYou may want to print and verify a check character in order to enhance thesecurity of your OCR application. The imager can be programmed for almost anytype of check character. A number of presets are provided for common checkcharacter uses (e.g., modulo 10 and modulo 36).Scan theOCR Modulo 10 orOCR Modulo 36 Check Character bar code tospecify the type of check character used in the OCR strings you’re scanning.The imager will then only read OCR character strings with a valid checkcharacter. The imager transmits the OCR data without the check character data.You must specify the location of the check character in the template with ac.Example: You need to read any combination of seven digits, with a modulo 10check character in the eighth position. The template would be:dddddddcTo create this template, you would enable the OCR-A font. Scan theModulo10 Check Character symbol. Then scan theEnter OCR Template symbol,and scan thed from the OCR Programming Chart seven times, and scan thec once. ScanSave OCR Template (page 8-14). This template will let youread any combination of six digits with a correct check character after. (If thecheck character is invalid, the data is discarded.) For example, the followingstring could be scanned:01234569and the output would be: 0123456OCR Modulo 10 Check CharacterScan this symbol to program the OCR template for a simple modulo 10checksum of the digits 0 through 9.OCR Modulo 10 Check Character
