Kedacom NVR2820-16, Руководство администратора

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Alarm Device Management
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6 Alarm Device Management
Alarm input device involves two types: Normal open and Normal close .
Normal open : it is turned off in normal condition without alarm input, and will not trigger alarm. If an
alarm occurs, it is turned on to trigger alarm;
Normal close : it is turned on in normal condition without alarm input, and will not trigger alarm. If an
alarm occurs, it is turned off to trigger alarm.
The NVR supports two alarm inputs. Set the alarm input type as follows:
Select Main Menu
Æ
Alarms
Æ
Alarm Input . Select normal open or normal close on the pop-up
interface.
For detailed type, refer to the operating instructions for the alarm device.
Notice: if the alarm input interface is empty, set the alarm input to normal open.
Alarm output is Normal open by default.