Vivotek WDR Pro User Manual download pdf (Page 110)

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110 - User's Manual

Applications > Digital input

Connect Digital input 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 dene the Normal

status of the digital input.

Digital input: Select High or Low as the state of the signal to dene the "Normal status" for the

digital input. Connect the digital input lines to the Network Camera, and the camera will detect

and report the current status.

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. 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 Event > Event settings >

Trigger. Please refer to page 114 for detailed information.

Advanced Mode

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Vivotek WDR Pro User Manual Page 110