Vivotek 65HP User Manual download pdf (Page 119)

VIVOTEK

User's Manual - 119

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 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 report

the current status�

Digital output: Select Grounded or Open as the state of the signal to dene the "Normal status"

for the digital output� Connect the digital output lines to the Network Camera, and the camera

will display 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 125 for detailed information�

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Vivotek 65HP User Manual Page 119