How to Start Printf Function in LPC2294 Controller.

hi all,
i am using LPC2294 controller kit and keil UVision3 as front head software.
In this setup i want to start serial communication and then start printf function as a part of Debugging.

so in this i had already done the serial communication and then the string which is entered in the code os printed on the Hypre terminal.

but i want further improvement in this and start printf function so if any one from you has idea belonging this then pleasr guide me how the settings are required in the UVision3.
ok..
Thanks.