Honeywell 4820HDHM User Manual page 197

for the calculation. By default, the check character computation is unweighted,
but the image scanner also supports two weighted modulo 10 checking
schemes.
Example: To program a modulo 11 check character, you would enter the
following 11 characters in order:
Also enter the OCR template:
Enable the OCR-A font, then scan the following string:
The image scanner performs the following check character computation:
Since the result is zero, the message is considered to be valid, so the reader
outputs the message: 6512351
Programming a User-Defined Check Character
1. Scan the Enter OCR Check Character barcode, below.
2. Enter the characters in order. For each character, look up the corresponding
hex value from the
Use the Programming Chart
scan the two symbols for each hex value.
3. Scan the Save barcode on the inside back cover.
Example: To program the modulo 11 check character from example #8 on
page
Character barcode on
in order:
After you enter all the desired hex values, scan the Save barcode on the
inside back cover of this manual.
6512351X
(6 + 5 + 1 + 2 +3 + 5 + 1 + X) modulo 11 = 0
Enter OCR Check Character
Code Page Mapping of Printed Barcodes
on the inside the back cover of this manual to
9-9, enable the OCR-A font. Scan the Enter OCR Check
3031323334353637383958
0123456789X
dddddddc
page 9-9, then scan the following hex values
on page A-7.
9 - 9