# Checkerboard Calibration Steps

The Checkerboard Calibration tool operates, at both calibration time and run time, by executing a series of steps. Each of these steps consumes some input values and produces some output values. Use this topic if you want to understand the types of change events fired by the tool. Most VisionPro users who use the Checkerboard Calibration tool will not need to understand the tool to this detail.

See the following topics for more information: