Canon EOS 20D Service Manual page 29

General Information
7-5 AF point selection:
operation
7-6 AF point display:
7-7 AF activation:
7-8 AF operation speed:
7-9 Focus confirmation:
Press the AF point selector, then use the Multi-
controller (8 directions + center press) or turn
the Main Dial or Quick Control Dial to select the
AF point.
(1) If you press the AF point selector and then
press the center of the Multi-controller, the
center AF point will be selected. If you
press the Multi-controller in one of the 8
directions, the respective AF point (left,
upper left, lower left, top, bottom, lower
right, upper right, right) will be selected.
(2) In the manual AF point selection mode, if
you push the Multi-controller in the
direction of the current AF point, it will
switch to automatic AF point selection.
(3) If you press the AF point selector and then
turn the Main Dial/Quick Control Dial
clockwise, the AF point selection will
proceed in the following looping sequence:
top, automatic selection, center, upper
right, right, lower right, bottom, lower left,
left, upper left, top, automatic selection? (If
you turn the dial counterclockwise, the
selection sequence will be in the reverse
order.)
(4) With C.Fn-13-1, the Multi-controller can
select the AF point directly. With C.Fn-13-
2, the Quick Control Dial can select the AF
point directly (without needing to press the
AF point selector).
Indicated by superimposed display in the
viewfinder and on the LCD panel.
AF is activated by pressing the shutter button
halfway (SW-1)
Equal or faster than EOS 10D.
Superimposed AF point displayed in viewfinder,
focus confirmation lamp, and focus confirmation
beeper.
(1) In the Basic Zone and Creative Zone
modes, the beeper will sound when AI
SERVO AF operates during the AI Focus AF
mode. Also, the beeper will sound in the
Sports mode.
(2) In Creative Zone modes, the beeper will not
sound in the AI SERVO AF mode.
(3) No focus confirmation indicator in the AI
SERVO AF mode.
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