ACR OLAS Exposure Series Core [EXPOLASCORE]OLAS Exposure Series Core The Core is a compact, portable overboard alarm and emergency light system. It reacts within 2 seconds of a person falling overboard and can easily be switched between vessels without the time and cost of wired installation. The Core can connect with up to 25 OLAS transmitters and cover a vessel up to 50ft. What it does The Core wirelessly tracks OLAS transmitters around the vessel. When a person wearing a transmitter falls