The navigation bar appears on the right side of the graphics window. To activate a navigation action, click a button on the bar. Some of the buttons have additional tools in a sub-menu. To access these, click the small arrow below the button.
These are the navigation bar commands:
To hide the navigation bar, click the "x" in the upper right corner.
To resume visibility of the navigation bar, click the XXX icon on the toolbar, and check NavBar.
To change the position of the navigation bar, click the left mouse button in the title region, and drag to the desired location. Note that the navigation bar automatically docks to the nearest of the display window.