Dahua DH-XVR4104C-X, Руководство пользователя

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Local Configurations 39
Configure the protection parameters for password. For details, see Table 5-2. Step 5
After configuration, if you forgot the password for admin user, you can reset the
password through the reserved email address or security questions. For details about
resetting the password, see "0 Resetting Password."
If you do not want to configure the settings, disable the email address and security
questions functions on the interface.
Password
Protection Mode
Description
Email Address
Enter the reserved email address.
In the Email Address box, enter an email address for password
reset. In case you forgot password, enter the security code that you
will get from this reserved email address to reset the password of
admin.
Security
Questions
Configure the security questions and answers.
In case you forgot password, enter the answers to the questions can
make you reset the password.
If you want to configure the email or security questions fucntion later or you want to
change the configurations, select Main Menu > ACCOUNT > USER .
Table 5-2
Click Save to complete the settings. Step 6
The End-User License Agreement interface is displayed.
Select the I have read and agree to all terms check box. Step 7
Click Next . Step 8
The Startup Wizard interface is displayed. For details about quick settings during
startup, see "5.1.3.3 Resetting Password
5.1.3 Resetting Password
You can reset the password by the following methods when you forgot the password for admin
account.
 If the password reset function is enabled, you can use mobile phone to scan the QR code
to reset the password. For details, see "5.1.3.2 Resetting Password on Local Interface."

If the password reset function is disabled, there are two situations:
If you configured security questions, you can find back the password by the security

questions.
If you did not configure the security questions, you can only use the reset button on

the mainboard to restore the Device to factory default.
Not all models are provided with reset button.
5.1.3.1 Enabling Password Reset Function
Select Main Menu > SYSTEM > SECURITY > System Service , the System Service Step 1
interface is displayed. See Figure 5-4.