Honeywell HF680 Series User Manual page 84

Code 39 Check Character
No Check Character indicates that the scanner reads and transmits barcode data
with or without a check character.
When Check Character is set to Validate, but Don't Transmit, the unit only reads
Code 39 barcodes printed with a check character, but will not transmit the check
character with the scanned data.
When Check Character is set to Validate and Transmit, the scanner only reads
Code 39 barcodes printed with a check character, and will transmit this character
at the end of the scanned data. Default = No Check Character.
Code 39 Message Length
Scan the barcodes below to change the message length. Refer to
Description
= 0-48. Minimum Default = 0, Maximum Default = 48.
Minimum Message Length
72
* No Check Character
Validate and Transmit
(page 68) for additional information. Minimum and Maximum lengths
* Don't Transmit
Validate, but Don't Transmit
Message Length
Maximum Message Length
HF680 Series User Guide