Advertisement
The Setting Help Tools
19.1
Use Setting Help Tools to Adjust Settings Before Inspecting
3. Aperture
Helps you adjust the aperture correctly by watching a bar graph on the screen while
turning the iris ring on the camera lens.
1) Select 3. Aperture, and a screen such as Figure a. is displayed. Press A: Chg. Area
to set the area of the image with the required feature.
2) Following the instructions, turn the iris ring all the way in either direction then press
ENTER. (Figure b.)
3) Next, turn the iris ring all the way in the other direction then press ENTER again.
(Figure c.)
4) Looking at the bar graph on screen, turn the iris ring to a position where "Iris is
adjusted" is displayed and adjust the ring to the position where the bar in the bar
graph is closest to 100. (Figure d.)
Figure a.
Figure c.
7
19 − 6
Figure b.
Figure d.
OCR Type A230
Bar graph
Advertisement
