Dahua NVR4416-16P-I - Page 240

Local Basic Operations 231
Figure 4-203
Step 2 Restore the settings.
 Select the settings that you want to restore, and then click Apply. The system starts
restoring the selected settings.
 Click Factory Default, and then click OK. The system starts restoring the whole
settings.
4.10.4.4 System Update
4.10.4.4.1 Upgrading File
Step 1 Insert a USB storage device containing the upgrade files into the USB port of the
Device.
Step 2 Select Main Menu > OPERATION > SYSTEM MAINTAIN > UPGRADE.
The UPGRADE interface is displayed. See Figure 4-204.