*USB BACKUP will start and beep after 3 seconds user presses BACKUP button.
**To turn off NVR, user needs to press power button at least 2 seconds.
*** The LED in the HDD trays are reserved.
Note: Once users press reset button, configuration of Camera Setting, Recording
Settings, Event & Action Setting, E-Mail Settings, and Server Settings will reset to
default. It is advised to backup system configurations. For more information, refer to
detail information in user manual 5.6.3 Save/Load Configuration.