communicating between cc2500 rf module and arduino mega 2560

Hello i have a final year project ,in which iam using arduino mega 2560 and a pair of cc2500 wireless module...
could any one please tell me how i could communicate between pc and arduino using the cc2500 rf module..
this is the pdf given but couldnt understand anything.
http://www.robosoftsystems.co.in/roboshop/media/catalog/product/pdf/RFpro%20Module%20-%20how%20to%20use%20v4%20.pdf
urgent assistance needed.
thankyou!!

Maybe you could get together with this person, who is also at risk of flunking out: