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It is a known fact that humans can handle only so much information at a time. According to the ISA SP 18.2 Standard, project operators should only face about 10 alarms per hour in order to accurately respond to each alarm. However, this rate is usually higher in the real world. 

Human Centric Design allows users to create smart designs with proper color configurations so that the operator's eyes are able to easily focus on the situations that require the most attention. 

The High Performance HMI Handbook has several proven results to By using a smart design and the right color configuration, the operator’s eye can be focused to the situation that most requires its attention. From High Performance HMI Handbook there are proven results in operator performance, as detailed below. 

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