Motorola SYMBOL MS320X Especificaciones descargar pdf (Pagina 220)

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11 - 28 DS457 Fixed Mount Imager Integration Guide

Product Add Right to Left

Each character in the scanned data is assigned a numeric value (see OCR Check Digit Multiplier on page

11-26). The check digit multiplier is reversed in order. Each value representing a character in the scanned data

is multiplied by its corresponding digit in the reversed multiplier, resulting in a product for each character in the

scanned data. The sum of these products is computed. The check digit passes if this sum modulo Check Digit

Modulus is zero.

Example:

Scanned data numeric value is 132459 (check digit is 9)

Check digit multiplier string is 123456

Digit 1 3 2 4 5 9

Multiplier 6 5 4 3 2 1

Product 6 15 8 12 10 9

Product add 6+ 15+ 8+ 12+ 10+ 9= 60

The Check Digit Modulus is 10. It passes because 60 is divisible by 10 (the remainder is 0).

Digit Add Left to Right

Each character in the scanned data is assigned a numeric value (see OCR Check Digit Multiplier on page

11-26). Each value representing a character in the scanned data is multiplied by its corresponding digit in the

multiplier, resulting in a product for each character in the scanned data. The sum of each individual digit in all of

the products is then calculated. The check digit passes if this sum modulo Check Digit Modulus is zero.

Example:

Scanned data numeric value is 132456 (check digit is 6)

Check digit multiplier string is 123456

Digit 1 3 2 4 5 6

Multiplier 1 2 3 4 5 6

Product 1 6 6 16 25 36

Digit add 1+ 6+ 6+ 1+6+ 2+5+ 3+6= 36

The Check Digit Modulus is 12. It passes because 36 is divisible by 12 (the remainder is 0).

Product Add Right to Left

(01h)

Digit Add Left to Right

(04h)

1 2 ... 215 216 217 218 219 220 221 222 223 224 225 ... 427 428

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Motorola SYMBOL MS320X Especificaciones Pagina 220

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