creo4 Drawing Setup option documentation for: DEFAULT_CLEAN_DIM_OFFSET 
weld_spot_side_significant
Set up placement of Weld Spot symbol for ANSI/AWS2.4 norm.
Default and Available Settings:
yes*
no
anges that you make to the Offset field value are retained as long as the drawing is in
session.
Default and Available Settings:
0.5 inch (range (0-22))
t> - User-defined text string appears next to the balloon
for simple balloons. For quantity balloons, the user-defined text string appears instead of the quantity value.