Wide Bars checkbox
When check the wide to narrow bar ratio to be used for those barcode types which permit adjustment (Code 39, Interleaved 2/5, 2 of 5 and Codabar) is set to 3. When unchecked the ratio is set to 2.
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When check the wide to narrow bar ratio to be used for those barcode types which permit adjustment (Code 39, Interleaved 2/5, 2 of 5 and Codabar) is set to 3. When unchecked the ratio is set to 2.
More:
Barcode font properties