Honeywell 1450g User Manual

No Check Digit indicates that the scanner 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 will not transmit the check digit with the scanned data.  

When Check Digit is set to Validate and Transmit, the scanner only reads NEC 2 of 5 bar codes printed with a check digit, 

and will transmit this digit at the end of the scanned data.  Default = No Check Digit.