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4.2.2
Overview - Acknowledging an Alarm
The first step in managing an alarm condition is to acknowledge the alarm. Acknowledging an alarm does two important things:
• It records the time and date at which you observed the presence of an alarm, trouble, or supervisory condition on the operator
interface panel, and stores that information in the system's historical log.
• When you press the acknowledge key, the system displays specific data on the location of the alarm.
The FACP can be configured with either global or individual acknowledge. These options function as follows:
• Global acknowledge. When global acknowledge is enabled, one press of the ALARM ACK key acknowledges every abnormal point
currently reporting an alarm status. This is helpful when a series of devices enter an alarm state (for example, all of the smoke
detectors in an area of the building), and you want to acknowledge all of them at the same time.
• Individual acknowledge. If individual acknowledge is enabled, the ALARM ACK key must be pressed to individually acknowledge
each alarm. Individual acknowledge must be selected if the panel is providing proprietary receiving service in accordance with NFPA
72.
The ALARM ACK key, which is used to acknowledge alarms (either globally or individually), is located just beneath the SYSTEM ALARM LED
page 10
Figure 10: General Status Message
InfoAlarm Operator's Manual 4100U, 4100ES, 4010ES
579-685 Rev. D
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