FieldDisplay AutoCAD text or Attribute Field background shaded

The background of your text is shaded and you want to remove the shading in AutoCAD.

Type FieldDisplay and set it to 0

FIELDDISPLAY -Turn off/on the grey background of a Attribute or field Text
Turn off/on the grey background of a Attribute. The grey background mask doesn't print.
FIELDDISPLAY system variable.
FIELDDISPLAY: <0>Turn off grey background mask.
<1>Turn on grey background mask. 

<0><1>