What does this control exactly? Do the settings here only apply when you are using the Adaptive DMC Image Sampler? Example: If I was using the Adaptive Subdivision sampler, the settings here would not matter?
Re: DMC Sampler
I have answered my own question by searching the web. If you are interested in learning more about the DMC Sampler and what the heck it is / does - I suggest this very good article.
http://interstation3d.com/tutorials/vray_dmc_sampler/demistyfing_dmc.html