This button on the "Define:Loading:Live Load" form prompts the user for information that is represented by the following input items.
CONDITIONS HS25 LOADING , HS20 LOADING , HS15 LOADING
H20 LOADING , H15 LOADING , H10 LOADING
DATA AXLEP , AXLESP , LANE , PM , PV , PRMITP , PRMITSP , TFACT , TFACTT , WTRAIL