CHAPTER 2Principles of GUI operation43FileExitCloses the GUI application:Figure 19. Exit Menu ItemIf you have made changes on the settings which have not beensaved in the A850 yet, you will be asked for safety reasons if youwould really like to exit without saving your changes.Edit CommandsEditUndoChanges made on the last objects representing the configurationcan be revoked by the command “Undo" (each application of thecommand “Undo" revokes one change). However, this is only pos-sible as long as you did neither execute a command “Update" or"Refresh" because the modification state of each object isrecorded until an “Update” or “Refresh” command discards it.)Figure 20. Undo Menu Item
