Critical problem while retrieve records from SAP using SAPBC

I have got a Critical Problem could any one please help me out !!!
Hello All,

I am using SAP BC adaper to retrieve records from the sap system. but BC adaper is able to retrieve only one record from the SAP system. if i would like to retrieve muliple records using the BC Adapter could you please tell me where we have to configure the loop in order to retrieve muliple records from the SAP system.

Env: SAP BC Version 4.6

Thanks and regards,