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OCR Type A230
12.2 Gray Scale Window Checker Setup
Procedure:
1.
Set the number of the gray scale window checker to be created.
2.
Select Checker Setting, then Shape.
3.
Set the inspection area to rectangle, circle or polygon from Shape.
4.
From Area set the coordinates for the inspection area.
See 4.11 Checker Area Setting Method for details of how to set the area.
Note
Circular / elliptical areas must be set so that the difference
between the X−coordinate start point and end point is an odd
number of pixels.
5.
Set the mask area to rectangle, circle or polygon from Mask Shape.
6.
From Mask Area set the coordinates for the mask area.
See 4.12 Setting Masking for details of how to set the mask area.
7.
From Average Judgment, set the upper and lower limits for average gray
scale value in the inspection area.
During inspection, the average value obtained is judged to see whether or not
it is within these limits.
8.
When required, set position and rotation adjustment and exposure adjustment
group numbers.
Gray Scale Window Checkers
12.2
Gray Scale Window Checker Setup
12 − 5
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