Dahua Technology IPC-HDW5842T-ZE, Operation Manual

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Operation Manual
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Table 6-25 Description of video temper parameter
Parameter Description
Covered Area
When the percentage of the tampered image and the duration exceed
the configured values, an alarm will be triggered.
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 "6.5.1.2 Alarm Linkage".
If the exiting schedules cannot meet the scene requirement, you can click
Add Schedule
to add a new schedule. For details, see "6.5.1.2.1 Adding Schedule".
Step 4 Click Apply .
6.5.3.3 Setting Scene Changing
The system performs alarm linkage when the image switches from the current scene to another one.
Procedure
Step 1 Select > Event > Video Detection > Scene Changing .
Figure 6-65 Scene changing
Step 2 Select the schedule and arming periods and alarm linkage action. For details, see "6.5.1.2
Alarm Linkage".
If the exiting schedules cannot meet the scene requirement, you can click
Add Schedule
to add a new schedule. For details, see "6.5.1.2.1 Adding Schedule".
Step 3 Click Apply .
6.5.4 Setting Audio Detection
The system performs alarm linkage when vague voice, tone change, or rapid change of sound
intensity is detected.
Procedure
Step 1 Select > Event > Video Detection > Audio Detection .