Default UI Menu: Options/Luminance
Ribbon UI Menu:
Use the categories on the right side of the Save window to specify which luminances you want to save. Luminance data will be written to a .dat file, located in the Luminance folder. Any new luminance you define will be automatically saved in the TurboCAD file as well.To load a luminance .dat file, select Load Luminances from the Options / Luminance menu, or from the local menu of the palette.