Canon EOS 80D - Manual (Page 182)

180
You can select an AF method to suit the shooting conditions and your
subject. The following AF methods are provided: [u(face)+Tracking]
(p.181), [FlexiZone - Multi] (p.183), and [FlexiZone - Single] (p.185).
If you want to achieve precise focus, set the lens’s focus mode switch to
<MF>, magnify the image, and focus manually (p.192).
1
Press the <f> button.
2
Select the AF method.
 Turn the <6> dial to select the AF
method, then press <0>.
Focusing with AF (AF Method)
Selecting the AF Method
 You can also set the AF method with [z5: AF method] (the [z3] tab in
Basic Zone modes).
 The procedures on pages 181-186 assume that One-Shot AF is set. If
Servo AF is set, the AF point will turn blue when focus is achieved. The
beeper will not sound in this case (p.178).
 In the <8: 5C> modes, Servo AF is set automatically and when
focus is achieved, the AF point will turn blue and the beeper will sound.