Product Reference Guide                     31
EAN-13
Read: Format:
Checksum Transmission: When this option is enabled, the QS2500 will 
transmit the checksum.
Truncate Leading/Ending: Same as UPC-A. See page 27.
Code ID Setting: Same as UPC-A. See page 27.
Insertion Group Selection: Same as UPC-A. See page 27.
Supplement Digits: Format:
ISBN/ISSN: The ISBN (International Standard Book Number) and ISSN 
(International Standard Serial Number) are two kinds of bar code for 
books and magazines. The ISBN is ten digits, with a leading “978”, and 
the ISSN is eight digits, with a leading “977”.
Examples::  Bar code: “9789572222720”
Output: “9572222724”
Bar code: “9771019248004”
Output: “10192484”
 
Data Digits (12 Digits) Check Digits
Data Digits
(6 Digits)
Check
Digits
Supplement 
Digits 2 or 5
Option Bar Code Option
Alphanumeric 
Entry
Read
Disable 00
Enable 01*
Checksum Verification
Disable 00
Enable 01*