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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 4-198.
Figure 4-197
Local Basic Operation 264
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