Command entry: renderexposureGlobally defines the brightness, contrast, mid tones, and exterior daylight for the current drawing when rendering.

Adjusting the exposure of the most recent rendered output allows you to add or remove lighting globally without the need to render the drawing over again each time you make a change to see how it affects the rendered output.
Adjusts the brightness of the converted colors. Values are 0-200.0. Default is [65.0].
Adjusts the brightness of the converted colors. Values are 0-100.0. Default is[100.0].
Adjusts the mid-tone values of the converted colors. Values are 0-20.0. Default is [1.0].
Sets the exposure for exterior scenes lit by the sun. Values are On|Off|Auto. Default is [Auto].
Specifies if the background should be processed by exposure control at render time. Values are On|Off. Default is [On].