Alarm Record/Snapshot; Alarm Record - Dahua NVR4108-P User Manual

4.8.4 Alarm Record/Snapshot

4.8.4.1 Alarm Record

a) Before you set alarm setup information, please go to chapter 2.3 to connect alarm input and
alarm output cable (such as light, siren and etc).
b) The record priority is: Alarm>Motion detect>Regular.
In the main menu, from Setting->Event-> Alarm, you can see alarm setup interface. See Figure 4-65.

Alarm in: Here is for you to select channel number.

Event type: There are four types. Local input/network input/IPC external/IPC offline alarm.

Local input alarm: The alarm signal system detects from the alarm input port.

Network input alarm: It is the alarm signal from the network.

IPC external alarm: It is the on-off alarm signal from the front-end device and can activate the
local NVR.

IPC offline alarm: Once you select this item, system can generate an alarm when the front -end
IPC disconnects with the local NVR. The alarm can activate record, PTZ, snapshot 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.

Type: normal open or normal close.
c) Click Save button to complete alarm setup interface.
Figure 4-64
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