Before any race car driver gets to the starting line, he or she will run the car through a series of tests and checks to ensure it is ready to race. Much in the same way, every lighting programmer/operator should take the time to verify the fixtures in the rig; ensuring they are each configured properly and are running at their best ability. Understanding when and how to perform a rig check is paramount to the duties of a programmer.
Read the full article at: http://plsn.com/articles/feeding-the-machines/rig-check/