To use these buttons, activate the MRU Toolbar in the View menu.
Press the Home button to go to the initial display of the IGSS configuration. The initial display is set by the system designer and is typically an overview diagram.
Press the Back button to return to the last diagram you viewed. Click the arrow to view the list of previously viewed diagrams.
The Forward button
Press the Forward button to go to the diagram you last activated from the current diagram. Click the arrow beside the button to view the list of diagrams previously activated from here.
Using the mouse
You can also use the next/previous buttons on your mouse (if included on the mouse) to navigate between the diagrams.