The sounder was designed so that changes to the fault status (fault signals) are
detected if they last at least 10 s (EN50131-1 Chapter 8.9.1 and EN50131-3
Chapter 8.9 and Annex B).
Time conditions
The sounder was designed so that changes are detected if they last at least 400 ms (EN50131-1
Chapter 8.9.1 and EN50131-3 Chapter 8.9 and Annex B).
Breaking and entering, intrusion and tampering signals must last at least 400 ms.
The sounder was designed so that changes to the fault status (fault signals) are detected if they
last at least 10 s (EN50131-1 Chapter 8.9.1 and EN50131-3 Chapter 8.9 and Annex B).
Factory Defaults
If the sounder is taught-in to the alarm panel again, it discards all previous links. This causes the
sounder to return to the factory default.
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