Blue Crane Digital gives a thorough introduction to the 550D/Rebel T2i in their Introduction to the Canon EOS Digital Rebel T2i (aka 550D), Basic Controls. Blue Crane's DVDs are logically presented and well regarded, and in this version you'll be given a primer on all the important controls of the EOS Digital Rebel T2i. It is perfect for anyone beginning in the world of SLR photography with the Rebel T2i as their camera.
If you're stepping up from a simple point-and-shoot camera, the Rebel T2i is an excellent choice - and this DVD will help you get up and running in no time.
Extensive explanations of the functions of the EOS Digital Rebel T2i (known as the 550D in some markets)
Logical presentation and chapter formatting
Includes information upon the exposure modes, using the depth of field preview function, focusing and metering modes, setting the white balance, playback/image review, using the live view mode, shooting videos, and more