User`s manual

VIVOTEK
User's Manual - 65
Camera Tampering Detection
This section explains howto set upcamera temperdetection. With tamper detection, the
camera is capable of detecting incidents such as redirection, blocking or defocusing, or even
spray paint.
Please follow the steps below to set up the camera tamper detection function:
1. Check Enable camera tampering detection.
2. Enter the tamper trigger duration. (10 sec. ~ 10 min.) The tamper alarm will be triggered only when the
tamperingfactor(thedifferencebetweencurrentframeandpresavedbackground)exceedsthetrigger
threshold.
3. Set up the event source as Camera Tampering Detection on Application page > Event Settings /
Server Settings (how to send alarm message) / Media Settings (send what type of alarm
message). Please refer to page 71 for detailed information.