Datalogic Scanning QUICKSCAN QS6500BT - Manual (Page 108)

Symbologies
6-20 QuickScan ® QS6500/QS6500 BT
EAN-13
The following options apply to the EAN-13 symbology.
Disable/Enable EAN-13
When disabled, the imager will not read EAN-13 bar codes.
Checksum Transmission
Enable this option to transmit the checksum along with EAN-13 bar
code data.
ISBN/ISSN
When enabled, this feature truncates the leading three digits from labels
that contain ISBN (International Standard Book Number) and ISSN
(International Standard Serial Number) numbers. These two codes are
used for books and magazines. Labels with ISBN codes start with "978"
and those with ISSN codes start with a leading "977".
Examples:
Bar code data: “9789572222720”
Output: “9572222724”
Bar code data: “97710192480”
Output: “10192480”