Canon EOS Rebel SL1 18-55mm IS STM Kit Instruction Manual - Page 172

Using AF to Focus (AF Method) Quick Mode:f The dedicated AF sensor is used to focus in One-Shot AF mode (p.103), using the same AF method as with viewfinder shooting. Although you can focus the target subject quickly, the Live View image will be interrupted momentarily during the AF operation. You can use nine AF points to focus (automatic selection). You can also select one AF point to focus and focus only the area covered by that AF point (manual selection). AF point 1 Display the Live View image. Press the button. X The Live View image will appear on the LCD monitor. The small boxes are the AF points. 2 Select the AF point.N Pressing the button will toggle between automatic selection and manual selection. In Basic Zone modes, automatic selection is set automatically. Use the cross keys to select an AF point. To return the AF point to the center, press the button again. You can also tap the LCD monitor screen to select the AF point. During manual selection, tap [ ] on the screen to switch to automatic selection. 172