RF screens developement

Hi,

can anyone give me a documentation for RF programming?
i saw this link but it was not so clear

http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/d0b33a0f-2478-2c10-4cbb-d6a197294280?QuickLink=index&overridelayout=true&44929653158230

i need some explication for this document or some other files which can help me .

Regards,