3. Menu Window95Remaining steps that can be stored in the controllerCurrently registered programsNumber of registered steps in ( )Program name in [ ] (if a symbol is registered)Unregistered programsPosition data edit itemDouble-click to open the position edit window."Drive," "Encoder" and "I/O System Device" will bedisplayed for X-SEL-P/Q, R/S, RA/SA, SSEL, ASELand PSEL controllers.Parameter edit itemsDouble-click a desired parameter category toopen the corresponding edit window.Symbol edit itemsDouble-click a desired symbol category to openthe corresponding edit window.3.4 Tree ViewYou can display various data edit windows in the online mode by double-clicking the corresponding itemsdisplayed in the tree view (Fig. 3.31, Fig. 3.32) that appears on the left side of the main window.You can show or hide the tree view by clicking View (V) from the menu bar and then selecting Tree View (T).Controller modelThe example of Fig. 3.31 also applies to X-SEL-P/Q, R/S, RA/SA, TT, TTA, SSEL,ASEL, and PSEL controllers.Fig. 3.31 Tree View (X-SEL-J/K)