Rockwell Automation 2755 AdaptaScan Software - Manual (Page 211)

G–6
Publication 2755-838
I
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 paired together using bars to
represent the first character and spaces to represent the second.
M
margin
A measure of how well the AdaptaScan can distinguish between
different width bar code elements (bars and spaces). The margin is
the tolerance remaining before the AdaptaScan can no longer
differentiate between narrow and wide elements.
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