Click Home
tabAnnotation
panelDimension
Style. Enter dimstyle at the
command prompt.
In the Dimension Style Manager, select
the style you want to change. Click Modify.
In the Modify Dimension Style dialog
box, Tolerances tab, under Tolerance Format, select a method from
the Method list, and then do one of the following:
If you select Limits, enter upper and
lower tolerance deviation in the Upper Value and Lower Value boxes.
If you select Symmetrical tolerances,
Lower Value is not available, because you need only one tolerance
value.
If you select Basic, enter a value in
Offset from Dim Line (on the Text tab) to represent the gap between
the text and its enclosing box.