creo4 config.pro option documentation for: DEFAULT_DEC_PLACES 
default_dec_places
2
*
Sets the default number of decimal places (0-14) fornonangulardimensions in all model modes. It does not affect the decimal places as modified using Num Digits
.
Number" style="width: 18pt"> REF* - Text string REF appears next to the balloon for simple balloons. For
quantity balloons, the string REF appears instead of the quantity value.
<user-defined text> - 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.