①Open the NVR system desktop and 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 setting interface, find “Advanced” and click to enter
④ After entering the advanced options interface, find “Automatic lock screen time” and click to enter to adjust the screen lock time.、
Note: Screen lock means that the screen will automatically lock when you have not performed any operation for a period of time. To unlock, you only need to enter the power-on password again.