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Configuring Video Analytics
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Trigger duration: It specifies a set of time before the tampering is considered as a real alarm.
This helps avoid false alarms by short-lived changes.
Trigger threshold: It determines how sensitive the tamper detection setting is. The lower the
threshold value, the easier the detection is triggered.
You can configure Tampering Detection as a trigger element to the proactive event
configurations in Video Analytics
Event settings Trigger. For example, when the
camera is tampered with, camera can be configured to send the pre- and post-event video
clips to a networked storage device. For more information, see
Trigger on page 61.
Configuring Alarm In and Alarm Out
Go to Setup Video Analytics Alarm In and Alarm Out.
Figure 7-3 Alarm In and Alarm Out
Alarm in: Select High or Low to define normal status for the alarm input. Connect an alarm
input from a sensor device to the camera, the camera will report the current signal status. You
may then configure the Normal status (non-trigger status) as High or Low.
Alarm out: Select High or Low to define normal status for the alarm output. Connect an output
line to an external device, the camera will report the current signal status. You may then
configure the Normal status (non-trigger status) as High or Low.
Set up the event source as Alarm In on Event Settings Trigger. For detailed information,
see
Trigger on page 61.
Configuring Event Settings
Go to Setup Video Analytics Event Settings.
This section describes how to configure the camera to respond to particular situations
(event). A typical application is that when a motion is detected, the camera sends buffered
images to an e-mail address as notifications. Click Help, there is an illustration shown in the
pop-up window explaining that an event can be triggered by many sources, such as motion
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