Canon EOS REBEL T2I Instruction Manual page 2

Advanced Shooting
This chapter buitds on the previous chapter and
introduces more ways to shoot creatively.
_ The first half of this chapter explains how to use the <Tv>
< Av > < M > < A-DEP> modes on the Mode Dial. Except for
<A-D[P>, all the shooting modes can be used in
combination with the functions introduced in Chapter 3.
_ The second half of this chapter, starting with "Changing the
Metering Mode" explains the methods to adjust the
exposure and the Picture Styles. All the functions
introduced in this chapter can also be used with the <P>
(Program AE) mode introduced in Chapter 3.
_ About the Main Diat Pointer
The pointer icon <_> displayed
together with the shutter speed, aperture
setting, or exposure compensation
amount indicates that you can turn the
<_ > dial to adjust the respective
setting.