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Scene change: When the monitoring scene changes, an alarm is triggered.
Defocus detection: When focus is not clear, an alarm is triggered.
Low brightness detection and High brightness detection: When the low
brightness or high brightness is detected, an alarm is triggered.
Under Scene change, set the sensitivity. Sensitivity varies from 1 to 5.
Under Defocus Detection, Low brightness detection, and High brightness
detection, set the sensitivity and threshold. Sensitivity varies from 1 to 5 and
threshold from 0 to 20.
When finished, click the “Save” button.
4.6.2 Line Cross Detection
Figure 4-49 Line Cross Detection