Dahua 41HS-W-S2 Series User Manual

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4.17.4.1.5 Security Question
The security question is shown as below. See Figure 4-180.
Here you can change security questions.
Figure 4-180
4.17.5 Update
4.17.5.1 Local Update
From Mani menu->Setting->Info->Update, you can go to the following interface. See Figure 4-181.
a) Insert USB device that contain the upgrade file.
b) Click Start button and then select the .bin file.
c) You can see the corresponding dialogue box after the update process is complete.

Dahua 41HS-W-S2 Series Specifications

General

Brand	Dahua
Model	41HS-W-S2 Series
Category	Network Hardware
Language	English