SAP BO Universe.....

Hi All,

Here i created one Universe on one of the info cube in SAP BO, there we having 2 key figures (Quantity, Basic value) but in Universe output, in Displaying tab as default Quantity was checked every time while showing the output iam checking the Basic value in displaying tab. but i want Basic value has to check default, i don't know how to change this now.... can anyone suggest me step by step...Thanks in Advance.