Select the 3D transform tool.
Switch the 3D transform tool between position-only and universal.
Switch the 3D transform tool between rotate-only and universal.
Switch the 3D transform tool between scale-only and universal.
Set 3D View to Active Camera.
Set 3D View to Perspective.
Set 3D View to next camera.
Reset the 3D camera view.
Create a 3D Group of the selected objects.
Switch the 3D grid on and off.