Fire alarm tones

1. What does the fire alarm sound?
2. What are the fire alarm signals?

What does the fire alarm sound?

There are two different sounds that a smoke detector emits: Beeping and chirping. A loud, continuous Beeping means you need to leave the building quickly. A Chirping that generally sounds every 30-60 secs means it's time to change the batteries. Smoke Alarms should be in every bedroom and hallway outside of bedrooms.

What are the fire alarm signals?

Instead, it has three broad signals, or capabilities: alarm, trouble, and supervisory. The alarm signal is what you typically think of when you hear “fire alarm.” It detects fires, alerts occupants, activates suppression systems, and notifies authorities.