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> It seems to me that the biggest issue with the fire system was the lack of a graphical display of the alarm

The man monitoring the alarm, even though he had just started the job, says he did understand the code and where the alarm was and communicated that information to the guard. He does not claim that the problem was he didn't understand the code or there was anything wrong with the design of the alarm system. The guard on the other hand says the man monitoring the alarm told him the wrong location to go to.

Neither of these issues though are related to the subsequent decision to call his supervisor as the number of alarms going off increased, and then sit around and do nothing while waiting for a call back. Nor does this have anything to do with the design of the alarm display.

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