If there are one or more locomotives with or without cars on the layout, you can start them or stop them by clicking the Run or the Stop buttons in the Control Train window.
Control: Train Window
Adjust the speed by dragging the slider (right is faster). When the "Automatic train stop" checkbox is checked, then trains will stop automatically in order to avoid collisions.
Management Train
The Management Train window allows you to control individual trains on the layout. This window manage each locomotive (run, stop, reverse, turn and speed) and the camera setting.
Management:Train Window
Management Switch
The Management Switch window allows you to control the positions of the switches on the layout. This window manage the switches (light is straight on, grey is turning). You can see the number of switches at 3D view by "Show Number" button.
Management:Switch Window
Renumbering Switch
You can renumber the positions of the switches by contextual menu item "Renumbering switch...". The new number is restricted between 1 to 999. And it has to be unique on the layout.
Renumbering Switch Window