DS-77xxNXI-I4/16P/4S NVR User Manual
11.2.5 Trigger Alarm Output
The alarm output can be triggered by the alarm input, motion detection, video tampering detection, line
crossing detection, and all other events.
1. Go to the alarm input or event detection (e.g., motion detection, line crossing detection, intrusion
detection, etc.) Linkage Action interface.
2. Click the Trigger Alarm Output tab.
3. Select the alarm output(s) to trigger.
4. Go to System > Event > Normal Event > Alarm Output.
5. Select an alarm output item from the list.
Chapter 11.6.3 Configure Alarm Output
Refer to
11.2.6 Configure PTZ Linkage
The system can trigger the PTZ actions (e.g., call preset/patrol/pattern) when the alarm event or VCA
detection events occur.
Make sure the PTZ or speed dome connected supports PTZ linkage.
1. Go to the Linkage Action interface of the alarm input or VCA detection (e.g., 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.
UM DS-77xxNXI-I4/16P/4S 050619NA
for the alarm output settings.
Figure 11-3 PTZ Linkage
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