How long will the personal alert safety system (PASS) sound a low warning tone if a firefighter is motionless?

The personal alert safety system (PASS) is a critical safety device used by firefighters to enhance their safety during operations. When a firefighter becomes motionless, the PASS device is designed to emit a low warning tone after a predetermined period as a way to alert nearby personnel to the possible distress of that firefighter.

A standard PASS device typically sounds a low warning tone after 30 seconds of inactivity. This timing is specifically established to balance the need for a timely alert with the practicalities of firefighting operations, where a firefighter might be momentarily still due to various situational factors. If the motionless state continues, the device then escalates the alert to a more pronounced alarm, emphasizing the urgency of the situation.

This design element ensures that other firefighters can swiftly respond if a colleague is in trouble, enhancing overall safety during potentially dangerous situations. Understanding this function of PASS devices is crucial for anyone in the firefighting profession, as it directly relates to the protocol for maintaining safety and accountability in emergency environments.