Appendices
G-12
MicroHAWK V320-F / V330-F / V420-F / V430-F Barcode Reader User Manual
G-8 BC412
Usage: Widely used in semiconductor manufacturing. Particularly useful where
speed, accuracy, and ease of printing are required.
Definition: BC412 (Binary Code 412), a proprietary IBM symbology since 1988, is an
alphanumeric symbol with a set of 35 characters, each encoded by a set of
4 bars in 12 module positions. All bars have a single width; it is the presence
(1) or absence (0) of bars in each of the twelve module positions that make
BC412 binary.
This symbology is also bi-directional and self-clocking, with a start character
and a stop character.
Serial Cmd:
<
K481,status
,check character output,fixed symbol length status,fixed symbol
length>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
G-8-1 Check Character Output (BC412)
Usage: Check Character Output, added to the symbol, provides additional
security.
Definition: When enabled, the check character is read and compared along with the
symbol data. When disabled, symbol data is sent without the check charac-
ter.
Serial Cmd: <K481,status,check character output,fixed symbol length status,fixed
symbol length>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
G-8-2 Fixed Symbol Length Status (BC412)
Definition: When enabled, the reader will check the symbol length against the symbol
length field. If disabled, any length will be considered valid.
Serial Cmd: <K481,status,check character output,fixed symbol length status,fixed
symbol length>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
G-8-3 Fixed Symbol Length (BC412)
Definition: When enabled, the check character is read and compared along with the
symbol data. When disabled, symbol data is sent without the check charac-
ter.
Serial Cmd: <K481,status,check character output,fixed symbol length status,fixed
symbol length>
Default: 10
Options: 1 to 64
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