User manual

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5.9.5.3 Watermark
Watermark interface is shown as In Figure 5-100. Select a file and then click Verify button to see
the file has been tampered with or not
Figure5‐100
5.10 Alarm
Click alarm function, you can see an interface is shown as Figure 5-101.
Here you can set device alarm type and alarm sound setup (Make sure you have enabled audio
function of corresponding alarm events.).
Figure5‐101
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 detection alarm occurs.
Tampering System alarms when camera is viciously masking.
Disk full System alarms when disk is full.