Canon EOS Rebel T7i/800D For Dummies
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Custom Functions are a group of advanced settings available only in the P, Tv, Av, and M exposure modes of your Canon EOS Rebel T7i/800D. (Remember: You set the exposure mode via the Mode dial on top of the camera.)

To explore Custom Functions, choose that item from Setup Menu 4, as shown on the left. You then see the options screen for a specific Custom Function, as shown on the right in the figure.

rebel-custom-fn Choose Custom Functions from Setup Menu 4 to access additional customization options.

Here's a guide to using the Custom Function screens, which work a little differently than other menu screens:

  • Interpreting the screens: The Custom Functions screens are a little intimidating until you know what's what:
    • Custom Functions are grouped into four categories: Exposure, Image, Autofocus/Drive, and Operation/Others. The category number and name appear in the upper-left corner of the screen. In the right screen, for example, the label indicates that you're looking at a screen from the Autofocus/Drive category. (C.Fn III refers to Custom Functions group three.)
    • The number of the selected function appears in the upper-right corner. Custom Function 9 is shown in the figure.
    • Settings for the current function appear in the middle of the screen. Blue text indicates the current setting. The default setting is represented by the number 0. So iAuto is selected and is the default setting.
    • Numbers at the bottom of the screen show you the current setting for all Custom Functions. The top row of numbers represents the Custom Functions, with the currently selected function indicated with a tiny horizontal bar over the number (9, in the figure). The lower row shows the number of the current setting for each Custom Function; again, 0 represents the default.

      For Custom Function 11, you instead see a dash, which is Canon's way of letting you know that this menu option controls more than one camera setting (thus there isn't one single default setting).

  • Scrolling from one Custom Function to the next: Press the left or right cross keys or tap the left or right scroll arrows at the top of the screen. You can see the arrows in the right screen.
  • Changing the setting: You first must activate the menu by pressing the Set button or tapping one of the available setting options. The screen then changes to look similar to the one shown on the left, with the currently selected option highlighted. To select a different option, highlight it by tapping it or pressing the up or down cross keys.

    If you see up/down arrows on the right side of the screen, you need to scroll the menu screen to view all the available setting options. To do so, tap those arrows or press the up/down cross keys.

    To lock in your setting and deactivate the settings screen, tap the Set icon or press the Set button. The screen returns to its inactive state, as shown on the right. The setting you selected appears in blue and the row of digits at the bottom of the screen reflects the number for that setting. A blue number indicates that you chose a setting other than the default.

  • Exiting the Custom Functions submenu: Tap the Menu icon in the lower-right corner of the screen or press the Menu button. Press Menu again to exit the menu system entirely and return to shooting.

About This Article

This article is from the book:

About the book author:

Julie Adair King is a veteran digital photography author and educator whose books are industry bestsellers. Along with Digital Photography For Dummies, she is the author of bestselling guides to many Canon dSLR cameras. Her books have sold more than a million copies.

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