DIMALTTD

Controls the number of decimal places for alternate unit tolerances. You can change this variable by typing DIMALTTD in the command bar and entering a new value. You can also choose Settings > Dimension Settings > Alternate Units, and in the Decimal Places For Tolerances box, type a new value.

Type:     Integer

Saved:     In the .DWG file

Range:     0 - 8

Default:     2