User manual

Note:

1. Do not cut off the power during system upgrading.

2. If you insert the USB ash drive before turning on the device, system will automatically begin

updrading after device boot. Users do not need to enter system upgrade interface, but make sure that

do not cut off the power.

3. Users can reboot the NVR after an unsuccessful software update to attempt the software update

again.

2.3.5.4 System Maintenance

Click to enter system maintenance interface, as shown in gure 39:

Figure 39 System Maintenance

Under system maintenance, users can setup any time point at any date for automatic system maintenance.

Users only need to input a time point, then choose a date from Monday to Friday, and click [Save], system will

automatically restart for maintenance.

2.3.6 Back Up

Click to enter the video backup interface, as shown in gure 40.

Note: You must insert a USB ash drive or removable HDD before backup.