Smoke optic detector for MorleyIAS analogical system. Ideal for slow-progressing fires, with visible smoke particles. Includes verfication algorithms, dirt compensation and camera control. Easy directioning through dedicated rotory switches. Includes two tricolor LEDs that allows to see the detector status from any position and a action indication output. Requires B501AP-IV base. Special color for detectors and bases: Detector and base housing with color treatment for special installations (Cinema, discotheques, optical laboratories, dark rooms, etc). Only available on request.