At quality level 3 and 4, 3 rendering types are possible by modifying the properties.

Common settings: default values (quality 4)
Dimensions: 640x480 pixels

Default rendering

GlobalIllumination: default, diffusedBounces: 1

Contrasting rendering

GlobalIllumination: default or path, diffusedBounces: 0

Indirect rendering

GlobalIllumination: path, diffusedBounces: 1