CHAPTER 2Principles of GUI operation71Figure 65. SettingsLogging WindowCommands on Tool BarThe main window of the Configuration User Interface has a config-urable toolbar to shortcut menu selections.Figure 66. Tool BarEach user can select his own subset of buttons to be shown out ofa predefined list of available toolbar buttons. The list of the but-tons has an unchangeable predefined order.The buttons are activated corresponding to the rights the user hasto perform the actions on the actual selected object(s) or class pro-vided by the individual button.