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![](https://files.manualsfile.com/99770436-sdzw2000t-sl/bg7a.png)
114
Parameter
Note
Duration
It is to set the shortest time from object disappears to trigger alarm.
Table 4-29
Please refer to “4.4.4.1.1 Tripwire” for more details about other parameters.
Step 4
Click “Save” to complete config.
4.4.5 Face Detection
Note
It needs to add preset and enable the smart function before enabling the function.
You can detect face and make snapshot in complex environment via face detection function.
Step 1
Select “Setup > Event > Face Detect”.
The system will display the interface of “Face Detection”, which will be shown in Figure 4-89.
Figure 4-89
Step 2
Select “Enable” to enable face detection.
Step 3
Configure parameter info according to the actual needs. Please refer to “4.4.4.1.1 Tripwire” for more
details about other parameters.
Step 4
Click “Save” to complete config.
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