Auto Focus Multi Code Reader V430-series User’s Manual (Z392) 7-47
I/O Parameters
Fixed Pattern Damage
Fixed Pattern Damage Threshold
Definition: Conforms to ISO/IEC 29158 symbol quality grading (A,B,C,D).
Serial Cmd: <K890, output on overall grade, overall grade threshold, cell contrast, cell
contrast threshold, cell modulation, cell modulation threshold, fixed pat-
tern damage, fixed pattern damage threshold, axial non-uniformity, axial
non-uniformity threshold, grid non-uniformity, grid non-uniformity threshold,
unused ECC, unused ECC threshold>
Default: Grade B
Options: 0 = Grade D
1 = Grade C
2 = Grade B
3 = Grade A
Usage: Lets the user know if symbol quality is less than acceptable.
Definition: If enabled, drives Output if grade is under Fixed Pattern Damage Thresh-
old.
Serial Cmd: <K890, output on overall grade, overall grade threshold, cell contrast, cell
contrast threshold, cell modulation, cell modulation threshold, fixed pat-
tern damage, fixed pattern damage threshold, axial non-uniformity, axial
non-uniformity threshold, grid non-uniformity, grid non-uniformity threshold,
unused ECC, unused ECC threshold>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
Usage: Sets the threshold for driving the output.
Definition: Conforms to ISO/IEC 29158 symbol quality grading (A,B,C,D).
Serial Cmd: <K890, output on overall grade, overall grade threshold, cell contrast, cell
contrast threshold, cell modulation, cell modulation threshold, fixed pattern
damage, fixed pattern damage threshold, axial non-uniformity, axial non-
uniformity threshold, grid non-uniformity, grid non-uniformity threshold,
unused ECC, unused ECC threshold>
Default: Grade B
Options: 0 = Grade D
1 = Grade C
2 = Grade B
3 = Grade A
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