VIVOTEK
User's Manual - 77
Camera Tampering Detection
This section explains how to set up camera tampering 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 make use of the camera tamper detection function:
1. Select the
Enable camera tampering detection
checkbox.
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. Configure a system by selecting the event Trigger 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 90 for detailed information.