Microscan Quadrus EZ, User Manual, Page: 182 / 366

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Quadrus EZ Reader User’s Manual
Data Matrix
Inkjet/Direct Symbol Quality
Parameters related to inkjet, dot peen, and laser and chemical etching.
Dot Shape
Marking Method
Dot Center Offset
Definition: The shape of the symbol’s printed or dot peen markings.
Serial Cmd: < K711,dot shape ,marking method>
Default: Round
Options: 0 = Round 1 = Square
Definition: The marking method used to create the symbol.
Serial Cmd: < K711, dot shape, marking method >
Default: Dot Peen
Options: 0 = Dot Peen 1 = Laser or Chemical
Definition:
Measures the deviation from the ideal dot centers. If enabled, a grade is
appended to the symbol. The worst case gives the quality of the worst dot in
percentage and its position in the grid. Passing grades are 80 to 100%.
Grading:
A if 0 - 2%
B if 3 - 7%
C if 8 - 13%
D if 14 - 20%
F if > 20%
Note that if the dot isn't a circle or an ellipse (with its major or minor axes
parallel or perpendicular to the L-Pattern), then the calculated offset may be
incorrect. So if a dot fails on center offset, it may only indicate that the dot is
out-of-shape. Also note the ideal dot centers are based upon the prior grid-
mapping calculation. It is not assumed that the cells are evenly placed, and
they are adjusted if they are skewed.
Serial Cmd: < K712,dot center offset ,cell fill,dot ovality,angle of distortion>
Default: Disabled
Options:
0 = Disabled 1 = Worst Case
2 = Average 3 = Both