Dahua NVR52-4KS2 SERIES User Manual

3. Select one region, for example, click .
4. Drag on the screen to select the region that you want to detect.
5. Congure the parameters.
Table 5-56 Detection region parameters
Parameter Description
Name Enter a name for the region.
Sensitivity
Every region has an individual sensitivity value.
The bigger the value is, the easier to trigger an alarm.
Threshold
Adjust the threshold for motion detection. Every region of every channel
has an individual threshold.
You can
congure up to four detection regions. When any one of the four regions
activates motion detection alarm, the channel where this region belongs to will
activate motion detection alarm.
6. Right-click the page to exit.
Step 4 Click Setting next to Schedule to congure the alarm schedule.
Step 5 Congure the anti-dither period.
If multiple alarms occur during the anti-dither period, the system only record the event
once.
Step 6 Congure alarm linkage. For details, see Table 5-50 . This section uses associating siren as
an example.
Enable Alarm Hub, select the alarm hub as needed, and then select siren as needed.
Step 7 Click Apply.
5.10.5.2 Video Loss
When the video loss occurs, the system performs alarm linkage actions.
Procedure
Step 1 Select Main Menu > ALARM > Video Detection > Video Loss.
User's Manual
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Dahua NVR52-4KS2 SERIES Specifications

General

Brand	Dahua
Model	NVR52-4KS2 SERIES
Category	Network Hardware
Language	English