In order to visualize the second floor of your house, for example, and the floor elevation is 120" => double click on the icon of the little man => set the elevation at, for example, 160" (40 or 50" above of the floor elevation)

 

Using the mouse => if you click on the live view screen => using your mouse => hold the left button => go forward / backward / left right. The mouse wheel will look up and down. The right button will change the elevation of the little man.