To specify a source vector for a distant light
Lights
panel
Lighting
Units drop-down
Generic
Lighing Units.
No lighting units are used and standard (generic) lighting is enabled.
Lights
panel
Lights
In Model.At the Command prompt,
enter lightlist
Palettes
panel
Properties.
When you change From Vector and To Vector values, the Source Vector values are updated. When you change Source Vector values directly, the From Vector and To Vector values are updated.
Toolbar: Lights