What requirement does NFPA 72 have for user interfaces on fire alarm control panels?

NFPA 72 outlines that user interfaces on fire alarm control panels must be intuitive and provide clear system status and alarms. This requirement is crucial because it ensures that the person monitoring the fire alarm system can quickly understand the operational state of the system and respond effectively in the event of an alarm. An intuitive interface allows users, who may not be experts, to navigate the system efficiently, reducing the risk of misunderstandings during emergencies. Clear visual indicators and straightforward navigation help users discern between normal and alarm conditions, making it easier to take appropriate action when needed.

Thus, emphasizing usability in the design of user interfaces enhances the operational effectiveness of fire alarm systems and supports the ultimate goal of protecting life and property from fire hazards.