Alarm Device Management
40
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.
Summary of Contents for NVR2820-16
Page 1: ...NVR Administrator Guide ...
