### Setting Up the Presence/Absence Tool

The flow of basic setting operations for the Presence/Absence Tool is as follows.

1. Add a Presence/Absence Tool to the image area.

2. Select the inspection method from [Count Gray Pixels] or [Count Edge Pixels].

3. Adjust the measurement area to cover the area where you expect the object to move. For best results, make this ROI as large as possible.

4. The detected pixels are displayed graphically. If the intended pixels are not detected, adjust the threshold, etc. Refer to the Presence/Absence Tool Parameters section for configuration details.
   Case: Count Gray Pixels
   Case: Count Edge Pixels

5. Set the pass judgment value for the number of detected pixels. Refer to the Presence/Absence Tool Parameters section for configuration details.

Note: The Presence/Absence Tool can be enabled for ROI rotation by clicking the rotation icon at the upper left of the parameters view.