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How do I manually append a check digit to a bar code?
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For some bar code types, the check digit (or "checksum") is automatically created with the bar code, so to append a check digit you need to add it separately.
- In the Bar Code Properties, under the Data tab set the Origin to Combination. Enter your bar code data into the Expression box (keyboard variables, database fields, or constant data - search the Help menu on 'Combination' for more instructions).
Note: Constant data must be entered inside quotation marks " ".
Example of data in the expression box - "27"+Counter 1
(Counter 1 data is 0000001)
- Then to add the check digit manually to the end of this data, from this same screen select the Other button, select 'bar code function', and select the check digit (like Check 10 UCC). Then click 'Just Check Digit'.
- This data will appear appended in the Expression box:
Check10UCC("1234567890123456789")
- Delete the data between the two parenthesis (the "1234567890123456789") and replace it with your bar code data, making sure it's in between the two parenthesis. So you would enter "27"+Counter 1 ensure the data is correctly displayed in the Sample box and click OK and save the label design.
- Final Expression should be:
"27"+Counter 1 + Check10UCC("27"+Counter 1)
Sample box should show: 2700000014
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