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Code Definition
15
specified in the Chain options to be decoded, otherwise a
No Read event occurs.
Mandatory
Chain
Code concatenation will always be performed. If one of the
codes is unreadable or does not meet the criteria specified
in the Chain options (for ISBT 128 codes), a No Read event
occurs.
Chain
When Concatenation is selected for ISBT 128 codes, up to 8 pairs of code combinations can be defined for acceptable
decoding. Concatenation requires both codes to be found in the same scan line.
Selections:
Chain
n
Left
The specified code information type must be paired
(chained) to the left of its corresponding code.
Chain
n
Right
The specified code information type must be paired
(chained) to the right of its corresponding code.
Addon Overflow Start Ratio
For the TCNM-SP family, if working in Reconstruction reading mode, this parameter defines the minimum expected
width of the beginning (Start) quiet zone of the Addon portion of an EAN/UPC barcode, expressed in number of
modules. The Start and Stop Ratios can be different from each other. If the specific barcode quiet zone is less than the
expected ratio, the Addon barcode will not be decoded.
Selections:
from
1
to
50
NOTE
The Addon Overflow Start Ratio value must be less than or equal to the Max. Distance between
EAN/UPC and Addon value.
Addon Overflow Stop Ratio
For TCNM-AD/EX family Linear/Reconstruction reading and TCNM-SP family Linear reading, this parameter defines the
minimum expected width of both quiet zones of the Addon portion of an EAN/UPC barcode, expressed in number of
modules. If the barcode quiet zones are less than the expected ratio, the Addon barcode will not be decoded.
For the TCNM-SP family, if working in Reconstruction reading mode, this parameter defines the minimum expected
width of the ending (Stop) quiet zone of the Addon portion of an EAN/UPC barcode, expressed in number of modules.
The Start and Stop Ratios can be different from each other. If the specific barcode quiet zone is less than the expected
ratio, the Addon barcode will not be decoded.
Selections:
from
1
to
50
Max Distance between EAN/UPC and Addon
For the TCNM-SP family, if working in Reconstruction reading mode, this parameter determines the maximum distance
(from 1 to 256 modules) that an EAN/UPC code and its Addon component can be located and still be considered valid.
If the Addon component is farther away in number of modules, the Addon barcode will not be decoded.
Selections:
from
1
to
256
Stacked Codes
When working in Reconstruction reading mode, enabling this parameter allows GS1 Databar stacked type codes to be
decoded with the best performance (one code per scan line).
When working in Reconstruction reading mode and this parameter is not enabled (unchecked), GS1 Databar non-
stacked type codes (excluding GS1 Databar Limited), can be reconstructed with an angle less than other code
symbologies but up to 4 codes per scan line.
When working in Linear reading mode, only one GS1 Databar non-stacked type code can be read per scan line. GS1
Databar stacked type codes cannot be read in Linear reading mode.