Omron XPECTIA FZ3 User Manual page 216

Note
Region inspection mode
The comparison direction depends on the measurement region shapes and number.
●
For a rectangle, ellipse or polygon, comparison is with the defect detection regions above, below, left
and right.This is called region inspection mode.
2
For a wide line, wide arc or wide circle, comparison is only with the two neighboring defect detection
regions.
However, even for a wide line, wide arc or wide circle, when two or more figures are drawn,
measurement is in region inspection mode.
4.
When the setting has been changed, tap [Measurement] in the Detail area to verify whether
measurements can be made correctly.
5.
Set up the judgement condition.
214 Defect FZ3 Processing Items List Manual