Network Video Recorder User Manual
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Note
If the device has 8 alarm outputs, the Ctrl 12V power is controled by alarm output 9. Connect
positive pole to A of Ctrl 12V, and connect negative pole to B of Ctrl 12V. The power will be
turned on when the alarm output is triggered.
6.5.7 Configure Audio and Light Alarm Linkage
For certain network cameras, you can set the alarm linkage action as audio alarm or light alarm.
Before You Start
ā Ensure your camera supports audio and light alarm linkage.
ā Ensure the audio output and volume are properly configured.
Steps
1. Go to the linkage action interface of the alarm detection (e.g., motion detection).
2. Set Audio and Light Alarm Linkage as your desire.
3. Click Apply.
6.5.8 Configure PTZ Linkage
The system can trigger the PTZ actions (e.g., call preset/patrol/pattern) when the alarm event, or
VCA detection events occurs.
Before You Start
Make sure the connected PTZ or speed dome connected supports PTZ linkage.
Steps
1. Go to Linkage Action interface of the alarm input or VCA detection (e.g., face detection, line
crossing detection, intrusion detection, etc.).
2. Select the PTZ Linkage.
3. Select the camera to perform the PTZ actions.
4. Select the preset/patrol/pattern No. to call when the alarm events occur.
Note
You can set only one PTZ type for the linkage action each time.
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