Symbol Technologies P 300STD Photo Scanner User Manual


 
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P 300STD/FZY/PRO Scanner Product Reference Guide
LRC Checksum
Enabling this option allows for appending an LRC checksum character at the end of a decode
transmission.
When an LRC checksum is enabled, the format of output data is as follows: <STX>
<DATA...> <ETX> <LRC>. If <DATA...> contains the special characters STX, ETX, and
DLE, a DLE character is used as an escape character and is added before each of those
characters so that the receiving side knows not to interpret the special characters in the data
as control characters. The LRC character is the exclusive OR of all characters except for the
LRC character itself.
Enable LRC Checksum
Disable LRC Checksum