If you heard the beeps then you are up and running, it is just a matter of learning the SuperCollider language! Here are some resources you can tap for more information:
Dave Philips' SuperCollider 3 Tutorial: http://www.agnula.org/documentation/dp_tutorials/sc3
The SuperCollider 3 Wiki: http://swiki.hfbk-hamburg.de:8888/MusicTechnology/6