Dahua DH-XVR5104HS-4KL-I3 User Manual page 299

Change the settings for password, user name, user group, user MAC, memo, period, and
authority.
The new password can be set from 8 digits through 32 digits and contains at least two types
from number, letter and special characters (excluding"'", """, ";", ":" and "&").
For the admin account, you enable/disable the unlock pattern and modify password hint.
To use the unlock pattern, enable Unlock Pattern, click

Unlock Pattern page, and then click Save to save the setting.
Enter password hint text in Password Hint box.

Click OK to complete the settings.
5.16.1.3 Deleting a User Account
Select Main Menu > ACCOUNT > User.
Modify
290
User's Manual
, draw a pattern in the