Lets you customize the location of the diagnostic light manipulator.
Choose ObjectDisplay > Diagnostic Light Control to toggle the manipulator on and off. This manipulator is used in conjunction with some of the diagnostic shading modes. See ObjectDisplay > Diagnostic Shading for details.
Specifies in which corner of the view window to position the manipulator. The default is Bottom Left.
The location that corresponds to the position of the ViewCube is not available, to avoid overlap.