Select Settings
> Program Settings or click the Program Settings button on the
Settings toolbar.
In the Program Settings dialog, select the General tab.
From the Interactive Lighting Quality drop box, select either Low, Medium or High.
Click OK.
As you insert light fixtures in your design you can see real-time lighting effects if working in Rendered or Rendered Outline display mode. By default, the quality level of interactive lighting is set to Low, which provides an adequate lighting display for the average computer. If your computer has a powerful video card, you can select a higher level of quality for your interactive lighting.
To change the quality of interactive lighting:
Select Settings
> Program Settings or click the Program Settings button on the
Settings toolbar.
In the Program Settings dialog, select the General tab.
From the Interactive Lighting Quality drop box, select either Low, Medium or High.
Click OK.
Note: Selecting a higher quality level can slow down your graphics display.