Follett VERSION 6.00 Manuale Utente
04/04
648
Appendices
Barcode terminology
For explanations of the terminology used in barcode names and some criteria for
selecting Follett Classic or one of the other symbologies, see the following table:
selecting Follett Classic or one of the other symbologies, see the following table:
Barcode terminology
Barcode term
Description
Check digit
The check digit is always the last character and ensures accurate read
ings when barcodes are scanned.
Follett Classic
A family of barcode symbologies consisting of barcodes that contain
seven visible positions or fewer. The Follett Classic family of symbologies
includes: Code 39, Interleaved 2 of 5, Codabar, LabelCode IV, and La
belCode V.
If your barcodes fit this description, choose Follett Classic as your
If your barcodes fit this description, choose Follett Classic as your
symbology.
Generic
Means the barcode symbology does not use a check digit.
Mod 10
Symbologies with Mod 10 check digit calculations can be used for bar
codes with all numeric characters. The 10 numeric characters are used
to calculate a check digit algorithm.
Mod 11
The same restrictions apply to symbologies using the Mod 11 algorithm
as to those that use Mod 10. The only difference is that the check digit
in Mod 11 can also use the +" symbol.
Mod 43
The Mod 43 check digit uses the 26 alpha characters, the 10 numeric
characters, and these symbols:
. $ + % / and the space.
The item number portion of the barcode must still be all numeric.
If your barcodes contain alpha characters for the type identifier or loca
If your barcodes contain alpha characters for the type identifier or loca
tion code, you will probably choose a symbology that uses a Mod 43
check digit.