When you change the initial intensity of a light source, the change affects all relevant project views.
- In a project view, select a lighting fixture, and click Modify | Lighting Fixtures tab
Properties panel
(Type Properties).
- Click Duplicate to create a new type.
- Enter a name for the type, and click OK.
- In the Type Properties dialog, for Initial Intensity, click in the Value column.
- In the Initial Intensity dialog, specify the desired value.
See Initial Intensity Parameters.