a. When the camera has not been used within a period of time, it will automatically enter power-saving mode.
b. Enter "LCD -> Settings -> System Settings -> Advanced Settings -> Auto-lock screen" to set the automatic lock screen time. After automatically locking, the device will enter power-saving mode.
c. Enter "LCD -> Settings -> System Settings -> Advanced Settings -> Auto Power Off" to set the auto-off time and ensure that the camera is automatically turned off when not in use.