Obsolete. Controls the brightness level of the viewport when using default lighting or generic lights.
| Type: | Integer |
| Saved in: | Drawing |
| Initial value: | 0 |
Controls the brightness level of the viewport when standard lighting is turned on (LIGHTINGUNITS system variable is set to 0). Valid settings are integers from -10 to 10. The brightness level in photometric lighting can be controlled by the LOGEXPBRIGHTNESS systems variable.