Managing Your Work Environment > Setting Preferences > Preview Preferences > 
Broadcast Monitor Preferences
 
 
 

Use the Broadcast Monitor box to specify what you want to preview on your broadcast monitor.

Select: To display:
Normal The contents of an image viewer or Player.
Always ON Whatever is displayed on your graphics monitor.
Always OFF Nothing on the broadcast monitor.

This setting can be changed on-the-fly while you are working in Inferno.