User Manual
Table Of Contents
- Contents
 - 1 Introduction
 - 2 Basic Operation Guide
 - 3 Wizard & Main Interface
 - 4 Camera Management
 - 5 Live Preview Introduction
 - 6 PTZ
 - 7 Record & Disk Management
 - 8 Playback & Backup
 - 9 Alarm Management
 - 10 Account & Permission Management
 - 11 Device Management
 - 12 Remote Surveillance
 - Appendix A FAQ
 - Appendix B Calculate Recording Capacity
 - Appendix C Compatible Device List
 
Live Preview Introduction 
  DVR  User  Manual 
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Select the camera and then set the brightness, contrast, saturation and hue of the camera. You 
can click “Default” button to restore the image settings to the default factory settings. 
5.3.3    Mask Settings 
Some areas of the image can be masked for privacy. Up to four mask areas can be set for each 
camera.  Click  StartSettingsCameraImageMask  Settings  to  go  to  the  interface  as 
shown below. Select the camera and enable the mask. Click “Draw” button and then drag the 
mouse on the image area to set the mask area; click “Delete” button to delete the mask areas; 
click “Apply” to save the settings. 










