Hand Held Products 4620, 2020 system manual OCR Template Codes

5.Finally, set up the ISBN check digit, which is a special position-weighted modulo 11 checksum. The imager automatically invokes the ISBN check- sum for template rows that are:

1.) at least fourteen characters long,

2.) whose first four characters are the letters “ISBN,”

3.) whose last character is a check character, and

4.) when the modulo 11 check character “0123456789X” is programmed.

Please note that all these commands can be combined into a single serial programming command:

OCRENA2,TMP”ISBNggggggggggggctCdddd hdddEtCdddd hddddE”,GPG”0123456789-”,GPH”P\”,CHK”0123456789X”.

These commands can be encoded into the following Aztec Code symbol:

OCR Template Codes

Note: Reading more than three rows of OCR is not recommended. Contact the factory if you have an application that requires reading four or more rows of OCR.

Enter OCR Template †

Enter User-Defined

Variable “g”†

Enter User-Defined

Variable “h”†

†One or more two-digit numbers and Save are required after reading this programming symbol. Refer to the Programming Chart on the inside the back cover of this manual.

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