Code Code Reader 1000 User Manual download pdf (Page 38)

2. Sum all of the numerical values for each data character in the bar code.

3. Divide this sum by 43.

4. The remainder is the numerical value for the check digit. Use the table in

step 1 to look-up the corresponding character.

EXAMPLE: Sample Code 39 data = A394T

1. Use the table to lookup the numerical value for each character.

2. 10 + 3 + 9 + 4 + 29 = 55

3. 55 / 43 = 1 remainder 12

4. Check digit numerical value = 12

The check digit = C.

Bar code with check digit = A394TC

B - 3

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 53 54

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Code Code Reader 1000 User Manual Page 38