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User Manual for Commercial Series Net DVR
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6.8 View Tampering Alarm
If you enable this function, when someone blocks the camera spitefully, DVR will transmit a
warning alarm.
Step 1: Enter into “Image Setup” menu:
Step 2: Select camera: Please use【á】【 â 】 keys to select one camera.
Step 3: Select sensitivity: You can use【↑】【↓】keys to select the sensitivity for “View
Tampering” item. The sensitivity options are: Low, Normal and High. Select one of them to
activate “Area Setup” and “Policy Setup” function.
Step 4: View tampering area setup: Move “Active Frame” to “Area” button, press
【ENTER】key to enter into area setup interface. The setup methods are same as that of mask area
setup. After setup the area, press【ENTER】key to return “Image Setup” menu. You can press
【ESC】key to abort.
Only one view tampering area can be setup.
Step 5: View tampering alarm setup: In “Image Setup” menu, move “Active Frame” to
“Policy” button, press【ENTER】key to enter into “View Tampering Handle” menu: