The installation of the engine is relatively simple. After release of the cylinders, it is difficult to maneuver the leaves without adding a special grease on the screw jacks. It is a pity that the programming of the control box despite the self-learning do not slow or stop the wings before coming in contact with the side and center stops; thereby avoiding significant mechanical fatigue of gear motors and worm fin.des hinges and stops. AVIDSEN should explore this feature that is present on many competitive products.