7.How to set up screen protection

①Open the NVR system desktop, click "Home" in the lower left corner to pop up the menu bar

②Find “System Settings” and click to enter the system setting interface

③After entering the system settings interface, click "Advanced", enter the advanced options interface, find "Screen Saver" and click to enter

④ After turning on the screen saver, the system will automatically shut down the screen when you have not operated it for a period of time. You can modify the start and end time of the screen saver. The default screen saver time is all day.