Windows > Lighting Editor
The Lighting Editor nests parameters for lighting and shadowing.
A small constant (light) color that is multiplied to the final resulting pixel color, thus making it look like there is always some scattered light even if there isn’t any light source in the scene.
Show light sources
You can turn off this option to hide light sources in the viewport.
Apply gamma correction
Enable this option to apply gamma correction to the final output color before displaying it to the monitor.
Manually updates all shadow maps.
Enables automatic updating of shadow maps when changes are made to the scene or light sources.