FISCHER FISCHERSCOPE X-RAY XDLM 231, Operator'S Manual

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FISCHERSCOPE ® X-RAY 179
Pattern Recognition (XDLM 237)
6. Click Take new picture .
The video image appears in the pattern recognition window.
7. In the Pattern definition area, click Show search item . If the Total video area option is activated,
deactivate it.
A hatched rectangle appears. This rectangle marks the search item, i.e. the area of the image
that is to be found again.
Figure 21.4: Pattern recognition window: The hatched rectangle shows the search item
8. Define the search item:

Position of the search item: Place the cursor in the rectangle, keep the left mouse button
pressed and move the rectangle.

Size of the search item: Place the cursor on one of the eight black points, keep the left
mouse button pressed and change the size of the rectangle.
In the example (see Fig. 21.4), the lower part of the solder pad is not in the area of the search
item. The lower area is very light; not all solder pads are that light. If the light area were in the
search item, pads might not be detected.
Search item
Measuring position