Panasonic LightPix AE20 User Manual page 89

Example of the images having detectable and undetectable
If detection direction= X (Direct.T = X), inspection object color=Black (OUT.T=BLACK)
Detectable images
Undetectable images
Reasons: Only the part having no inspection color, less than 5 pixels and the
value less than the minimum value for inspection object is captured.
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