RIEVTECH STUDIO SOFTWARE MANUAL 4.10.2.6.3 Use You can use the “ User Privilege ” in many situations, such as the control settings, the window switch, the value input, and so on. 4.10.2.6.4 Call You can findsome windows which the system providesin the project tree, such as the User privilege window, the User login window, and so on.These windows make it easy to use for the users. 406