This feature would have following effects by dimming pixels.

Recommended Settings for FEP

Dimming Type
Checkerboard
Dimming Amount
20%
Wall Around Dimmed Area in Pixels
3 - Depends on x/y resolution
Skip Layers
40 - To have stronger support structure, you can turn off dimming for some number of layers

Recommended Settings for PDMS

Dimming Type
Checkerboard
Dimming Amount
35%
Wall Around Dimmed Area in Pixels
3 - Depends on x/y resolution
Skip Layers
5

We recommend to have this feature enabled. It will slow down slicing considerably.