and trigger record, snapshot, alarm operation and etc. See Figure 4-123.
Channel: Select a channel you want to enable face detect function.
Alarm face number: Once the detected human face number reaches the threshold you
set here, system can generate an alarm.
Human face RO (region of interest): Check the box, system can highlight the human
face region.
Enable: Check the box here to enable face detect function.
For detailed setup information, please refer to chapter 4.11.3.2.1.
Figure 4-123
4.11.3.4 Alarm
Before operation, please make sure you have properly connected alarm devices such
as buzzer.
In the main menu, from Setting->Event->Alarm, you can see alarm setup interface.
For analog channel, the interface is shown as in Figure 4-124 and Figure 4-125
For HDCVI channel, there are three alarm types. See Figure 4-124 to Figure 4-126.
For digital channel, there are four alarm types. See Figure 4-124 to Figure 4-128.
Local alarm: The alarm signal system detects from the alarm input port.
Network alarm: It is the alarm signal from the network.
HDCVI: System can get the camera temperature, smoke, external alarm and set
corresponding alarm activation operation.
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