3129 Human factors briefing note no. 2 – Alarm handling

Overview:

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Alarm: a signal to an operator (a sound - usually with a flashing light and a message) indicating a problem requiring the operator's attention and response.

Why alarm handling?

Alarm handling (also known as alarm management) refers to the automated treatment of alarms. Poorly-designed alarm systems may hinder the operator and may result in failure to identify a need to act, or failure to select an effective course of action, especially in emergency conditions. However, alarm systems can be redesigned, either by physically changing them, or by training the operator to use them better. Companies should consider changes to improve responses to alarms and therefore improve safety.

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