creo9 Drawing Setup option documentation for: DEFAULT_TOLERANCE_MODE
Sets the default tolerance mode for newly created dimensions.
Default and Available Settings:
nominal* M-^SDisplays dimensions without tolerances.
basic - Displays dimension in basic mode. The dimension value (nominal or overridden),
without its tolerances, appears surrounded by a rectangle.
limits - Displays dimensions as upper and lower limits.
plusminus - Displays dimensions as a nominal with plus-minus tolerances (the positive and
negative values are independent).
plusminussym - Displays dimensions as a nominal with a single value for both the positive and
plusminussym_super - Same as plusminussym. However, displays the
plus-minus tolerance value at the half-way point of the dimension text and extending upwards.