What does the asterisk next to an alarm indicate?

What does the asterisk next to an alarm indicate?

• A. The alarm is still sensor active
• B. The alarm is cleared
• C. The alarm requires manual acknowledgement
• D. The alarm is a test signal

Answer: (D)

An asterisk next to an alarm flags a test signal rather than a real alert. This marker helps operators quickly distinguish routine tests from genuine incidents, so the test events can be logged and reviewed without triggering the normal real-alarm response procedures. In QC practice, tests verify sensors, annunciators, and logging, and the asterisk prevents confusion with actual faults. Other statuses—like an active sensor, a cleared alarm, or a manually acknowledged event—are shown by different indicators, not this asterisk convention.

An asterisk next to an alarm flags a test signal rather than a real alert. This marker helps operators quickly distinguish routine tests from genuine incidents, so the test events can be logged and reviewed without triggering the normal real-alarm response procedures. In QC practice, tests verify sensors, annunciators, and logging, and the asterisk prevents confusion with actual faults. Other statuses—like an active sensor, a cleared alarm, or a manually acknowledged event—are shown by different indicators, not this asterisk convention.