Notification Appliance Synchronization: To prevent confusion during an unexpected emergency, NFPA 72 stipulates that notification appliances in the exact same spot must be synchronized to provide a steady and intelligible alert sign. However, for larger sized premises with many flooring or properties, an addressable or hybrid procedure would be much https://www.firesense.co.uk/type/conventional-fire-system/conventional-fire-alarm-control-panels/