Canon 430 - Manual (Page 78)

76
The FE lock may be released by pressing the zoom lever, MENU
button or
button, or by changing the white balance, ISO speed,
photo effect or the shooting mode, or by turning the LCD monitor off.
Switching between Focusing Modes
Although the autofocus function is preset to the AiAF setting (9 AF frames),
you can set it to the center AF frame.
When [AiAF] is set to [On], the AF frame does not appear. When [AiAF] is
set to [Off], however, the AF frame will appear.
The symbol represents the AF frames as they appear in the LCD monitor.
The focus is locked to the center AF frame when the digital zoom is
used.
No frame On
The camera detects the subject and highlights the AF frames,
from 9 available points, that it will use to determine the focus.
Off
The camera focuses using the center AF frame. This is convenient
for focusing on a specific part of a subject with greater certainty.
1 In the (Rec.) menu, select .
See Selecting Menus and Settings (p. 43).
2 Use the or button to select
[On] or [Off].
You can shoot right after selecting an
option.
3 Press the MENU button.
The display will return to the Shooting
screen.