User Settings

Once in the main UI click the user button in the upper right corner and choose user settings:

Open

User permissions 

From here you can set what permissions you give to each predefined user as well as set passwords for each user.

SuperAdmin - Can apply what all other users can Control, View and Set Passwords

Admin - If given the access by the Superuser you can also apply access to controls, view and set passwords for the operators.

Operator - Access set by Superuser.

Open

User Permissions