User Manual of Digital Video Recorder514.2.6 Calling PatternsPurpose:Follow the procedure to move the PTZ camera according to the predefined patterns.Steps:1. Click the button PTZ in the lower-right corner of the PTZ setting interface;Or press the PTZ button on the front panel or click the PTZ Control icon in the quick setting bar, orselect the PTZ option in the right-click menu to show the PTZ control panel.2. Click the button to show the general settings of the PTZ control.Figure 4. 9 PTZ Panel - General3. Click the Call Pattern button to call it.4. Click the Stop Pattern button to stop calling it.4.2.7 Customizing Linear Scan LimitPurpose: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