Honeywell 8680i User Manual page 117

Check Digit
No Check Digit indicates that the 8680i reads and transmits bar code data with or
without a check digit.
When Check Digit is set to Validate, but Don't Transmit, the unit only reads NEC 2
of 5 bar codes printed with a check digit, but does not transmit the check digit with
the scanned data.
When Check Digit is set to Validate and Transmit, the 8680i only reads NEC 2 of 5
bar codes printed with a check digit, and transmits this digit at the end of the
scanned data. Default = No Check Digit.
NEC 2 of 5 Message Length
Scan the bar codes below to change the message length. Refer to
Description
lengths = 2-80. Minimum Default = 4, Maximum Default = 80.
Minimum Message Length
8680i User Guide
* No Check Digit
Validate and Transmit
(page 94) for additional information. Minimum and Maximum
Validate, but Don't Transmit
Message Length
Maximum Message Length
103