380
Select a file and then click , you can lock current file in case it will be
overwritten in the future
Select a file and then click
, you can mark the time of the detected event.
4.9 Alarm
Click alarm function, you can see an interface is shown as Figure 4-186.
Here you can set device alarm type and alarm sound setup (Please make sure you have enabled audio
function of corresponding alarm events.).
Figure 4-186
Please refer to the following sheet for detailed information.
Type Parameter Function
Alarm
Type
Video loss System alarms when video loss occurs.
Motion detection System alarms when motion det
occurs.
Tampering System alarms when camera is viciously masking.
Disk full System alarms when disk is full.
Disk error System alarms when disk error occurs.
External alarm Alarm input device sends out alarm.
alarm
It refers to the on-
off signal from the network
camera. It can activate the NVR local activation
operation.
IPC offline alarm
System can generate an alarm when the network
camera and the NVR are disconnected.
Operation
Prompt Check the box here, system can automatically pops
up an alarm icon on the Alarm button in the main
interface when there is an alarm.
Alarm
Sound
sound
System sends out alarm sound when an alarm
occurs. You can specify as you wish.
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