AWACS Features
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AFC-600 Programming PN 51032:A 3/8/99 75
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You can set each detector, except FDX (Heat), for Self-Optimizing Pre-Alarm (PA=1).
In this Self-Optimizing mode, the software measures the normal peak analog readings
and sets the Pre-Alarm level just above these normal peaks. This allows extremely
sensitive Pre-Alarm capability with reasonable protection against non-fire signals.
Figure 81 shows a graphical representation of the Self-Optimizing Pre-Alarm level:
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For more information on setting Pre-Alarm levels, refer to the following sections:
• "How to Change Sensitivity for a Detector" on page 41
• "How to Use the Detector Sensitivity Screen" on page 41
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The control panel provides nine Sensitivity Levels for alarm detection and pre-alarm as
follows:
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Alarm Sensitivity Levels
You can select the sensitivity of a detector from 1-9
(1=highest sensitivity; 9=lowest sensitivity).
•
Pre-Alarm Sensitivity Levels
You can select one of nine levels from 1 to 9 (0=no
Pre-Alarm, 1=self-optimizing, 2=highest sensitivity, 9=lowest sensitivity). You can
set Pre-Alarm operation to Action (latching) or Alert (non-latching) and to activate
Special Zones. For instructions on programming, refer to "How to Select a
Pre-Alarm Level" on page 78.
You can set the sensitivity levels as fixed or programmed for day and night operation.
For details, refer to"Time Control Zones" on page 71.
Figure 82 shows a sample sensitivity window for a laser detector:
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