To enable International lighting units, click Visualize tabLights panelLighting Units drop-downInternational Lighting Units. Find
To enable American lighting units, click Visualize tab Lights panelLighting Units drop-downAmerican Lighting Units. Find
Set a Drawing to Standard Lighting
Click Visualize tabLights panelLighting Units drop-downGeneric Lighting Units. Find
Note: Starting with AutoCAD 2016-based products, the renderer calculates all standard lights as photometric lights. It is recommended to update all standard lights in a scene to photometric lights.