... wired zones and 1 output for alarm centre Product DescriptionWorking principle ACM8602 telephone online alarm system is composing of main unit, PIR detector ... line when alarms System profile 1, Composing Main unit PIR detector Door sensor Remote controllers Adapter 2, Install main unit ... to [ON]. 3, Install detectors (1) Install PIR detector Open the detector, put the battery in, and switch on. Put ...