9 Ways to Customize Your Canon Rebel t5i
Change the function of the Set Button.
When you shoot in the P, Tv, Av, or M exposure modes, you can set the button to perform the following tasks when no menus are displayed:
Flash Exposure Compensation
LCD Monitor On/Off
You establish the button's purpose via Custom Function 7. To activate the options, just tap one or press the Set button. To scroll to the fourth and fifth options, press the up/down cross keys or tap the arrows on the right side of the screen. Tap the Set icon or press the Set button to lock in your choice.
To go back to the default setting, return to the Custom Function menu and select option 0 (Normal).