Canon 550D - Manual (Page 251)

251
Quick Reference Guide
S AF Point
N
E: AF Mode
N
Set the lens focus mode switch
to <f>.
Press the <
ZE> button.
Press the <
U> key to select
the AF mode, then press <
0>.
X(One-Shot AF):
For still subjects
9(AI Focus AF):
Switches the AF mode
automatically
Z(AI Servo AF):
For moving subjects
Press the <S> button.
Press the <
S> key to select the
AF point.
While looking at the viewfinder,
you can select the AF point by
turning the <6> dial until the
desired AF point flashes in red.
Pressing <
0> toggles the AF
point selection between the
center AF point and automatic
AF point selection.