Symbol Technologies DS 3408 - Manual (Page 191)

Symbologies 13-33
Code 11 Check Digit Verification
Parameter # 34h
This feature allows the digital scanner to check the integrity of all Code 11 symbols to verify that the data complies with the specified
check digit algorithm. This selects the check digit mechanism for the decoded Code 11 bar code. The options are to check for one
check digit, check for two check digits, or disable the feature.
To enable this feature, scan the bar code below corresponding to the number of check digits encoded in the Code 11 symbols.
*
Disable
(00h)
One Check Digit
(01h)
Two Check Digits
(02h)