Press 'Fire!' to shoot a projectile at the practice targets.

- After firing, press 'Reset' to recalibrate the defense system.[br] - Adjust the angle of fire using the Angle input box.[br] - The defense system has three settings (Horizontal/Linear, Vertical/Linear, Horizontal/Vertical). Use the slider marked 'Setting' to toggle between them.[br] - Change the position of the targets using the distance input boxes.