How does one do the gamma correction in Poser 6?  Where does one look?

I don't see the anything under render setting to indicate gamma correction or maybe I am not looking in the right place...

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OS: Windows 11 64-bit
Poser: Poser 11.3 ...... Units: inches or meters depends on mood
Bryce: Bryce Pro 7.1.074
Image Editing: Corel Paintshop Pro
Renderer: Superfly, Firefly

9/11/2001: Never forget...

Smiles are contagious... Pass it on!

Today is the tomorrow you worried about yesterday