Dahua NVS1604HF-A, User Manual

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For the user account name and the user group, the string max length is 6-byte. The
backspace in front of or at the back of the string is invalid. There can be backspace in the
middle. The string includes the valid character, letter, number, underline, subtraction sign,
and dot.

System account adopts two-level management: group and user. No limit to group or user
amount.

For group or user management, there are two levels: admin and user.

The user name and group name can consist of eight bytes. One name can only be used
once. There are four default users: admin/888888/666666 and hidden user
―default‖. Except
user 6666, other users have administrator right.

Hidden user
―default‖ is for system interior use only and can not be deleted. When there is
no login user, hidden user
―default‖ automatically login. You can set some rights such as
monitor for this user so that you can view some channel view without login.

One user should belong to one group. User right can not exceed group right.

About reusable function: this function allows multiple users use the same account to login.
After all the setups please click save button, system goes back to the previous menu.
Figure 5-39
5.5.5.1 Modify Password
Click password button, the interface is shown as in Figure 5-40.
Here you can modify account password.
Please select the account from the dropdown list, input the old password and then input the new
password twice. Click the Save button to confirm current modification.
For the users of user account right, it can modify password of other users.