check-sum verification: the checksum of ean-13 is optional and made as the sum of the numerical value of the data digits.
upce
truncate leading/ending: refer to truncate leading/ending of upca.
code id setting: refer to code id setting of upca.
insertion group selection: refer to insertion group selection of upca.
supplement digits:
format
truncate leading zero: refer to truncate leading zero of upca.
expansion: the expansion function is used only for upce and ean-8 code reading. it extends to 13-digits with “0” digits when the feature is enabled.
example: barcode “0123654”
output: “0012360000057”
