32 Confirm that Reg. result shows Reg. success and Registered image count shows 1 / 2. 5 Click the Change display button to display the through image. Move the 3D vision sensor or the camera calibration target so that the distance from the 3D vision sensor to the camera calibration target is 600 mm. Confirm that Meas. value Z is around 600 mm and visually check that the optical axis of the 3D vision sensor is perpendicular to the plane of the plate. After you check the above, click the Change display button once again to return to the freeze image display.