LevelOne FCS-5061, User Manual

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6.3.11 Tampering
The Tampering setting can be found under this path: System> Tampering.
Tampering Alarm function helps the IP Camera against tampering such as
deliberate redirection, blocking, paint spray, and lens cover, etc through video
analysis and reaction to such events by sending out notifications or uploading
snapshots to the specified destination(s).
Detection of camera tampering is achieved by measuring the differences
between the older frames of video (which are stored in buffers) and more recent
frames.
Users are able to turn on/off Tampering Alarm function in Tampering Alarm
setting page. The default setting is Off.
Tampering Alarm
Minimum Tampering Duration is the time for video analysis to determine
whether camera tampering has occurred. Minimum Duration could also be
interpreted as defining the Tampering threshold; longer duration represents
higher threshold. Settable Tampering Duration time range is from 10 to 3600
seconds. The Default value is 20 seconds.
Tampering Duration