ProTee Horizontal Line up the camera - Indoor Golf Simulator Package - Launch Monitor Reviews & Discount Sale Price

Place a golf ball on the white rubber tee position
Position the camera so the ball is inside the red box of the Preview image
Position the camera so the red line in the center is pointing towards the screen
The red line is the 0 degrees (straight shot) line, check its in the center of the base sensor system
Make sure the the hitting direction is towards the screen. The impact screen can appear just inside the camera view on the right side. You can filter this out with the Right exclusion slider