AutoVISION Quick Start Guide December 2020 5.6. Use Presence/Absence Tool Use Zoom options This tool detects the presence of a feature based on pixel intensity or contrast. Verify that the tab is present in the gasket in this example. a. Select the [Presence Tool] icon to add this tool to the job. Enable rotation for this tool. a bi biv b. Use the Zoom button to make it easier to position the tool i. Move the mouse over the [Zoom] icon to see the Zoom options ii. Click [Zoom in (+)] iii. Right click and drag to reposition image iv. Resize and position the ROI over the left gasket tab