VIVOTEK
122 - User's Manual
Applications > Tampering detection
This section explains how to set up camera tamper 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. 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. Conditions such as image too dark, too
bright, or too blurry (defocused) can also be congured as tampering conditions.
2. You can configure Tampering Detection as a trigger element to the proactive event
congurations in Event -> Event settings -> Trigger. For example, when the camera is
tampered with, camera can be congured to send pre- and post-event video clips to a
networked storage device. Please refer to page 106 for detailed information.
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