Rockwell Automation 2755 AdaptaScan Bar Code Readers - Manual (Page 84)

Glossary G–6
I
inter-symbol no–read count
The minimum number of no–reads that must occur between symbols
scanned when Self–Triggered (continuous decode) is selected as the
decode trigger. Symbols that are not preceeded by the minimum
nuber of no–reads are ignored.
intercharacter gap
The space between two adjacent bar code characters in a discrete
code (spaces between characters in Code 49).
Interleaved 2 of 5
A bar code in which characters are pared together using bars to
represent the first character and spaces to represent the second.
M
match
A condition in which decoded data matches data in the match entry.
match entry
An output condition in which decoded data matches and the data in a
match entry configuration.
message
1) A meaningful combination of alphanumeric characters that
establishes the content and format of a report. 2) In a
communication network, the unit of exchange at the application
layer.
message buffer
Storage register for the temporary storage of data that allows
decoding to continue while the host is retrieving data from the serial
port.
message buffer warning
An output condition that occurs when the message buffer has used a
defined amount of the message buffer.
metacharacters
A set of special purpose characters that perform logical functions.
Metacharacters may be entered in the match table rule or message