VIVOTEK
114 - User's Manual
Applications > DI and DO
Connect DI or DO devices to the camera's terminal block, the camera will automatically detect
the current connection state as pulled-high or pulled-low. You may then define the triggering
condition.
Digital input
: Select High or Low to define the "active state" for the digital input. The Network
Camera will report the current status.
Digital output
: Select Grounded or Open to define the "active state" for the digital output. The
Network Camera will show whether the trigger is activated or not.
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. Check
Enable camera tampering detection
.
2. 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
Event > Event settings >
Trigger.
Please refer to page 120 for detailed information.