Motorola symbol CS3000 series Reference Manual page 13

3 - 12 Symbol CS3000 Series Scanner Product Reference Guide
Transmit "No Read" Message
Parameter # 0x5E
Enable this option to transmit "NR" if a symbol does not decode during the timeout period or before the trigger is
released. Any enabled prefix or suffixes are appended around this message.
Disable this to send no message to the host if a symbol does not decode.
Enable No Read
(0x01)
*Disable No Read
(0x00)