Title: +038=279.001-#####T_03-Rotasjonssperre EVO Trilock 900 TR Boon Edam - Brukermanual.pdf
4.6 Collapsible arm * The Trilock 900 with collapsible arms is available in two operating modes.1) It is possible to pass the Trilock 900 with a simple push on the armset. This operation is possible in one or two directions.2) After a “pulse in” or “pulse out” (using an access control system or a push-button) the Trilock 900 armset will be unlocked and can be rotated clockwise or anticlockwise for 120°. The collapsible arm mechanism is controlled electro mechanically and is released in case of power failure. The collapsible arm will fall down by gravity. This is possible in both directions.