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Select a color on to set different detection parameters
for each region.
Sensitivity: Sensitive degree of outside changes. It is easier to trigger the
alarm with higher sensitivity.
Threshold: Effective area threshold for Motion Detection. The smaller the
threshold is, the easier the alarm is triggered.
The whole video image is the effective area for Motion Detection by default.
The red line in the waveform indicates that the Motion Detection is triggered,
and the green one indicates that there is no motion detection. Adjust
sensitivity and threshold according to the waveform.
3) Click Save.
Step 4 Set arming periods and alarm linkage action. For details, see "5.1.1 Alarm Linkage."
Anti-dither: After the Anti-dither time is set, the system only records one motion
detection event in the period.
Step 5 Click Save.
5.4.2 Setting Video Tamper
The system performs alarm linkage when the lens is covered or video output is mono-color
screen caused by light and other reasons.
Step 1 Select Setting > Event > Video Detection > Video Tamper.
The Video Tamper interface is displayed. See Figure 5-17.
Figure 5-17 Video tampering
Step 2 Select the Enable Video Tampering check box, and set arming periods and alarm
linkage action. For details, see "5.1.1 Alarm Linkage."
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