Panasonic IMAGECHECKER PV230 Manual page 18

Setting Inspection Area
Specify a range to capture recognized characters.
If no dictionary is created, set the area for the characters to be registered in dictionary. If dictionary has
been created, set the area in the position where the characters to be read exist.
1.
Select "Area Setting".
"Area Setting" window is displayed.
2
. Select a shape.
Select "Rectangle" or "Doughnut" according to the
shape of recognized character string.
■Rectangle shape
■Doughnut shape
3
. Draw an Area.
Set an area to enclose characters.
Enter the coordinates of the area in order of a start
point and end point. Entering the end point returns
to Character recognition SETUP MENU.
A maximum of 80 characters can be recognized in
1 area.
Notice on Character Size
Adjust the lens and working distance for an appropriate view range to make
the character width larger than 10 pixels and the thickness larger than 3
pixels to perform stable character recognition.
16
To reverse the area, press the FUNC key and select
"Counterclockwise".
The direction to cut out characers is set to either "Clockwise" or
"Counterclockwise" in "Segment Direction" under "Segment
Condition".
When using "Doughnut", the inspection results of PV230 and
PVWIN230 differ. So always adjust the inspection settings with
PV230.
</= 80 characters