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4.11.2 Alarm Setup
From Main menu->Setting->Event->Alarm, You can follow the steps listed below to set.
a)
You can connect the external alarm port from the rear panel of the device. Usually the
vehicle left-turn, right-turn, brake and door signal information and etc can be input to the
device via the alarm input device.
b)
In the main menu, from Setting to Alarm, you can see alarm setup interface. See Figure
5-34.
c)
You can set its actual alarm name such as left-turn, right-turn on the Alarm Name item.
Check the Overlay button, you can overlay corresponding alarm information on the record
file.
d)
If the alarm signal is 12V/24V voltage, the trigger type shall be high valid. If the alarm
signal is ground signal, the trigger type shall be low valid.
e)
The normal open means the alarm signal is usually disconnect, system can generate an
alarm when the alarm signal closed. The normal close means the alarm signal is usually
connect, system can generate an alarm when the alarm signal disconnected.
f)
You need to set for each alarm channel on the Alarm in item if the device has connected
several alarm channels.
Alarm in: Here is for you to select channel number.
Event type: There are two types. Local input/IPC offline alarm.
Local input alarm: The alarm signal system detects from the alarm input port.
IPC offline alarm: Once you select this item, system can generate an alarm when the
front-end IPC disconnects with the NVR. The alarm can activate record, PTZ, snap and
etc. The alarm can last until the IPC and the NVR connection resumes.
Enable: Please you need to highlight this button to enable current function.
Figure 4-59
65
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