Honeywell Granit 1991iSR Ultra-Rugged Standard-Range Barcode Scanner - Manual (Page 195)

Granit XP User Guide 179
Codablock A
Codablock A On/Off
If you are reading Code 39 barcodes, Codablock A should remain disabled. If you
are enabling Codablock A, you should disable Code 39 (see
Code 39 on page 143).
Codablock A Message Length
Scan the barcodes below to change the message length. Refer to Message Length
Description (page 140) for additional information. Minimum and Maximum
lengths = 1-600. Minimum Default = 1, Maximum Default = 600.
On
* Off
Minimum Message Length
Maximum Message Length