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The various direct setting buttons on the top panel of the camera for AF mode, white balance, drive mode, ISO sensitivity, metering mode, and flash, along with exposure compensation (EV) adjustments are likely to be the most common settings changes you make, with changes during a particular session fairly common. You’ll find that the Shooting menu options are those that you access second most frequently when you’re using your Rebel T3i. You might make such adjustments as you begin a shooting session, or when you move from one type of subject to another. Canon makes accessing these changes very easy.
This section explains the options of the four Shooting menus and how to use them. The options you’ll find in these red-coded menus include: