Sets target drawing units value when INSUNITS is set to 0.
| Type: | Integer | 
| Saved in: | Registry | 
| Initial value: | 1 | 
Valid range is 0 to 20.
| 
 0  | 
 Unspecified (No units)  | 
| 
 1  | 
 Inches  | 
| 
 2  | 
 Feet  | 
| 
 3  | 
 Miles  | 
| 
 4  | 
 Millimeters  | 
| 
 5  | 
 Centimeters  | 
| 
 6  | 
 Meters  | 
| 
 7  | 
 Kilometers  | 
| 
 8  | 
 Microinches  | 
| 
 9  | 
 Mils  | 
| 
 10  | 
 Yards  | 
| 
 11  | 
 Angstroms  | 
| 
 12  | 
 Nanometers  | 
| 
 13  | 
 Microns  | 
| 
 14  | 
 Decimeters  | 
| 
 15  | 
 Dekameters  | 
| 
 16  | 
 Hectometers  | 
| 
 17  | 
 Gigameters  | 
| 
 18  | 
 Astronomical Units  | 
| 
 19  | 
 Light Years  | 
| 
 20  | 
 Parsecs  |