Datalogic Scanning QUICKSCAN QS6500BT - Manual (Page 220)

Symbologies
6-132 QuickScan ® QS6500/QS6500 BT
Code 11
The following options apply to the Code 11 symbology.
Disable/Enable Code 11
When this feature is disabled, the imager will not read Code 11 bar
codes.
Checksum Verification
When enabled, the imager will verify the check sum of the labels.
Checksum Transmit
When this option is enabled, the imager will transmit one-digit or two-
digit checksums, depending upon the setting for checksum verification.