Network Video Recorder User Manual 
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Figure 4. 9 PTZ Panel - General 
 
3.  Click the Call Pattern button to call it. 
4.  Click the Stop Pattern button to stop calling it. 
4.2.7  Customizing Linear Scan Limit 
Purpose: 
The Linear Scan can be enabled to trigger the scan in the horizantal direction in the predefined range.   
 
This function is supported by some certain models. 
Steps: 
1.  Enter the PTZ Control interface. 
Menu > Camera > PTZ 
 
Figure 4. 10 PTZ Settings 
 
2.  Use the directional button to wheel the camera to the location where you want to set the limit, and click the 
Left Limit or Right Limit button to link the location to the corresponding limit.