above-mentioned actions occur.
Step1: Set detecting sensitivity;
Step2: Set detection schedule;
Step3: Set alarm action;
Step4: Set alarm settings. If you enable External Output and choose Constant External Output
Action Time, when possible tampering is detected, External Output Action alarm time will be
always constant till the alarm is released.
Note:
The algorithm supports defocus detection in Tamper Detection function.
Line Crossing
Line Crossing detection is designed to work in most indoor and outdoor environment. An event will
be triggered every time when the camera detects objects crossing a defined virtual line.
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