Dahua IPC-HFW2431T-ZS-S2 User Manual

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Video Tampering : When the percentage of the tampered image and the duration
exceed the congured values, an alarm will be triggered.
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Defocus Detection : When the image is blurred, an alarm will be triggered. This
function is available on some select models.
Figure 5-24 Video tampering
Table 5-4 Description of video temper parameter
Parameter
Description
Tamper Area
When the percentage of the tampered image and the duration exceed
the congured values, an alarm will be triggered.
The tamper area is 30% and the duration is 5 s by default.
Duration
Anti-Dither Only record one alarm event during the anti-dither period.
Step 3 Set arming periods and alarm linkage action. For details, see "5.1.1 Alarm Linkage".
Step 4 Click Save.
5.4.3 Setting Scene Changing
The system performs alarm linkage when the image switches from the current scene to another
one.
Operation Manual
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Dahua IPC-HFW2431T-ZS-S2 Specifications

General

Brand	Dahua
Model	IPC-HFW2431T-ZS-S2
Category	Security Camera
Language	English