Depending on the system design, which type of signal communicates additional information and generates specific patterns?

A coded signal is designed to communicate additional information by using predetermined patterns or codes. These signals convey distinct meanings based on their format, allowing a fire protection system to differentiate between various types of alerts or notifications. For instance, a coded signal may indicate the specific location of a fire, the nature of the incident, or even the type of response required, providing responders with crucial information quickly and efficiently.

Coded signals are particularly useful in complex environments where multiple potential hazards exist, as they can convey more nuanced information than a simple alarm. This effectiveness enhances overall response time and situational awareness, which is critical in emergency situations.

In contrast, continuous alarms typically signal a general state of danger without specific information, manual signals rely on human intervention to convey messages, and alert tones often serve as alerts without detailed context. Each of these alternatives lacks the ability to communicate structured information uniquely associated with different scenarios, making coded signals a vital component in modern fire protection communication strategies.