ACTAS is Barco's automatic alignment system for adjusting the colour temperature and luminance of CRT projectors. ACTAS has three operational modes: a full automatic mode for use in multi-screen installation, a semi-automatic mode for use with all digital projectors and a manual mode.

　　ACTAS is made up of three units: a sensor, a control unit and an interface. The Sensor exists of three sensors R, G and B and are mounted on the lenses. The Control Unit has a LCD display for use in manual control mode. A generator is operated through the Interface.