What kind of indicators shall all master, area, and local alarm systems include for each condition monitored?

All master, area, and local alarm systems must include visual and audible indicators for each condition monitored. This is essential for ensuring that personnel can quickly and effectively respond to any changes in the system's status.

Visual indicators, such as lights or displays, provide immediate, at-a-glance awareness of system conditions, allowing staff to identify alarms visually. Audible indicators, like alarms or beeping sounds, alert personnel to potential issues, ensuring that even if someone is not looking directly at a visual display, they can still be alerted to a problem. This combination of visual and audible signals enhances safety and helps maintain compliance with regulatory standards in medical gas systems, as quick and clear communication of alarm conditions is crucial in healthcare settings where timely response is critical.

Choosing solely high/low or on/off indicators would not be sufficient, as they do not encompass the need for comprehensive notification methods tailored to the environment and the urgency of response required. Red and blue don’t define a universal standard for alerts; rather, they serve particular indications within specific systems but do not cover all monitored conditions comprehensively as visual and audible do.