Rockwell Automation 2755 2D Hand-Held Scanner - Manual (Page 57)

4–10 Configuring the Scanner
Publication 2755-6.4
Data Format Options (continued)
Data Transmission Format
You can specify whether or not the prefix and/or suffix is added to
decoded bar code data. The options are listed below.
<Data> Sends only bar code data.
<Prefix><Data> Sends bar code data with a prefix
<Data><Suffix> Sends bar code data with a suffix
<Prefix><Data><Suffix> Sends bar code data with a prefix and suffix
The prefix and suffix are user defined. For example, the prefix [ and
suffix ] are defined for bar code data. To send the decoded bar code
data with the prefix only, scan these labels:
– Scan This Symbol First
– <Prefix><Data>
– Scan Enter After Selecting Option
Transmit LRC Checksum
When enabled, this option appends an LRC checksum character at
the end of a decode transmission. The default is disabled.
With LRC Checksum enabled, the format of the output data is:
<STX> <DATA . . . > <ETX> <LRC> .
If <DATA . . . > contains the special characters STX, ETX, and DLE,
the 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.