Microscan MS-4X Instrukcja Użytkownika Strona 104

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PDF417
5-20 MS-880 Industrial Long Range Scanner User’s Manual
5–Codes
PDF417
PDF417 Status
Fixed Code Length (PDF417)
Definition: A two-dimensional, multi-row (3 to 90), continuous, variable length
symbology that has high data capacity for storing up to 2700 numeric
characters, 1800 printable ASCII characters, or 1100 binary character
per symbol. Each symbol character consists of 4 bars and 4 spaces in a
17-module structure.
Usage: Used in applications where a large amount of information (over 32
characters) needs to be encoded within a symbol, typically where the
symbol is transported from one facility to another. For example, an
automobile assembly line might use a single label with multiple fields of
information that will be read at several stations along the way, without
reference to a database.
Serial Cmd: <K476,status,raster sweeps before decode attempt,fixed code length
status,fixed code length>
Serial Cmd: <K476,status,raster sweeps before decode attempt,fixed code length
status,fixed code length>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
Definition: When enabled, the PDF label must contain the same number of charac-
ters as the code length setting before it can be considered a good
decode. The scanner will ignore any code not having the specified
length.
Usage: Used to increase data integrity by ensuring that only one label length
will be accepted.
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