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1．Sensitivity: Range [1-100], the smaller the value is, the more severe the change should
be to trigger the detection.
2．Sound Intensity Threshold: Range [1 to 100], it can filter the sound in the environment,
the louder the environment sound, the higher the value should be. You can adjust it
according to the real environment.
5. You can view the real-time volume of the sound.
6. Click Arming Schedule to set the arming schedule.
7. Click Linkage Method and select the linkage methods.
8. Click Save to save the settings.
5.6.12 Defocus Detection
Note:
The function is only supported by certain camera models.
Purpose:
The image blur caused by defocus of the lens can be detected, and some certain actions can be
taken when the alarm is triggered.
Steps:
1. Enter the Defocus Detection settings interface.
2. Check the checkbox of Enable to enable the function.
3. Click-and-drag the slider to set the detection sensitivity. The sensitivity value ranges from 1
to 100, and the higher the value is, the more easily the defocus image can trigger the alarm.
4. Select the linkage methods. You can select the linkage methods:send email, notify
surveillance center,trigger alarm output. For cameras that support ABF, you can also select
Focus to link.
Note: Only certain camera models support the linkage method Focus.
5. Click Save to save the settings.
5.6.13 Scene Change Detection
Note:
The function is only supported by certain camera models.
Purpose:
Scene change detection function detects the change of surveillance environment affected by the
external factors; such as the intentional rotation of the camera, and some certain actions can be
taken when the alarm is triggered.
Steps:
1. Enter the Scene Change Detection settings interface.
2. Check the Enable checkbox to enable the function.
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