Glossary
G-2 AS3690 Operator Manual August 2010
Special Item For each job, this is the piece responsible
for signaling the beginning or end of a transaction.
Symbology The schema how barcode data is encoded
into physical bars and spaces. Generally speaking,
symbologies can be divided into two major categories:
width-modulated and height-modulated. Except these
used in postal applications, most symbologies encode
the data into the different widths of the bars. All the bars
have the same height. The contrary holds true for
height-modulated symbologies: all bars have the same
width, and the data is encoded into different length of
the bars.
Transaction Defined by the customer, and can be
defined in a number of ways. For example: Check(s)
and stub(s), with or without attachments, and an
envelope (e.g., in a payments job it can contain singles,
multis, mixed, check only, etc.)
Transaction Boundary A term used to indicate the
beginning or end of a single or group of page types in a
transaction. Typically, a specific page type is used to
identify this boundary either at the beginning or end of a
transaction.
Transaction Sorting A term used to indicate jobs in
which prior documents within a transaction determine
the sorting of later documents.
Unstructured Transaction A transaction that can
contain any number of pieces and page types. There is
no structured order for feeding these pieces other than
the “Special Item” page type. This must always be first
or last, according to how it is set up to signal the next
transaction.
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