To Toggle the Sun Light Effect

To toggle the sun light effect

1. Click Render tab System panel Autodesk Rendering .
2. Click the Environments tab, go to the Sky panel, and select the Render Sky Illumination check box to turn on the sun light effect. If this check box is not active, you need to turn on the sun light first.
3. To turn off the sun light effect in the Scene View, clear the Render Sky Illumination check box.