Auto Focus Multi Code Reader V430-series User’s Manual (Z392) 8-17
Symbol Quality
ISO/IEC 15415 Symbol Quality Output
Symbol Quality Parameters for 2D symbols specified by ISO/IEC 15415
Supported Symbologies:
• DataMatrix ECC200
•QR Code
Minimum Resolution: 6.0 Pixels Per Element
Aperture
Overall
Definition: The size of aperture to use for grading configured as a percentage of
the nominal narrow element width for the symbol under evaluation. For
example, if you have a 15 mil symbol and you wish to grade using a 10
mil aperture you would configure the aperture to 67% (10/15 = 0.67).
Serial Cmd: <K725, aperture, overall, contrast, modulation, reflectance margin, fixed
pattern damage, axial non-uniformity, grid non-uniformity, unused ECC>
Default: 80%
Options: Any number between 0 to 100%
Definition: Overall is calculated in accordance with the ISO 15415 specification.
The overall grade is the lowest individual parameter grade seen during
the individual scan.
When enabled, the Overall is attached to the symbol output data as a
value.
Serial Cmd: <K725, aperture, overall, contrast, modulation, reflectance margin, fixed
pattern damage, axial non-uniformity, grid non-uniformity, unused ECC>
Default: Disabled
Options: 0 = Disabled 1 = Enabled
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