LIGHTINGUNITS (System Variable)

Specifies the lighting units for the drawing.

Type:	Integer
Saved in:	Drawing
Initial value:	2

Value	Description
0	No longer a valid setting starting with AutoCAD 2017-based products Note: It is recommended to update legacy drawings to a 1 or 2.
1	American lighting units (foot-candles) are used and photometric lighting is enabled	Find
2	International lighting units (lux) are used and photometric lighting is enabled	Find

Note: Scripts that set LIGHTINGUNITS to 0 must be changed, or they will no longer work starting with AutoCAD 2017-based products.