Ocr Template Codes - Hand Held Products 4820 User Manual

5. Finally, set up the ISBN check digit, which is a special position-weighted
modulo 11 checksum. The imager automatically invokes the ISBN
checksum 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 "h"
†
One or more two-digit numbers and Save are required after reading this
programming symbol. Refer to the
cover of this manual.
2020/4820/4820i User's Guide
†
†
Programming Chart
Enter User-Defined
†
Variable "g"
on the inside the back
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