Worth Data 520-RF Instructions d'exploitation télécharger pdf (Page 57)

The MSI Mod 11 check digit is calculated as follows:

The example bar code data is:

943457842

1. Assign a checking factor to each number, starting with the units

position of the number (in this example, the 2) up to the highest

order position (the 9). Use checking factors of:

2,3,4,5,6,7,2,3,4,5,6,7...

2. Multiply the checking factor with its assigned number and add the

products:

4 + 12 + 32 + 35 + 30 + 28 + 6 + 12 + 36 = 195

3. Divide the sum by 11

195/11 = 17 remainder 8

4. Subtract remainder from 11

11 - 8 = 3

5. New Check Digit

(If the remainder is 10, no check digit is added.)

6. Data with check digit is:

943457823

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 63 64

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Worth Data 520-RF Instructions d'exploitation Page 57