GRIDDISPLAY
Determines how the grid displays. The value is the sum of any of these values:
0 = Grid is limited to the limits area.
1 = Grid is not limited to the limits area.
2 = Grid is adaptive and proportionally scaled depending on zoom ratio.
4 = If value 2 is set and the zoom level is smaller than the grid unit, the grid is adaptively subdivided.
8 = The grid plane is rotated to follow the XY plane of the dynamic UCS.
Type: Integer
Saved: In the drawing file
Range: 0 to 15
Default: 3