Canon EOS-1V Service Manual page 37

Function CF-No. Setting
Manual focusing
point selection CF-17
range
Selection of
preselected CF-18
focusing point
AF stop button
(Works with super
CF-19
telephoto IS
lenses)
Table 1-7 Using CF-4 and CF-19 Together (AF start/stop operation with the EOS-1V and lens)
During AF start / AF stop
During AF stop / AF start
During AF start / AF start
During AF stop / AF stop
* Before focus/After focus
Description
0 Standard
Expanded selection
1
Automatically-selected range
2
Selectable with the Assist button +
0
Focusing point selector.
1 Selectable with the Assist button.
Selectable only while the Assist
2
button is pressed.
AF stop when pressed.
0
AF operation when pressed.
1
AE lock when pressed while meter-
2
ing is active.
When pressed, the focusing point
is selected from among the 45
3
points.
When pressed, toggles between
4
One Shot AF and AI Servo AF.
When pressed, Image Stabilization
5
operates.
Operation
Table 1-8 USM Electronic Ring Manual Focusing
CF-4-0 CF-4-1
CF-7-0
/ /
CF-7-1
/ /
CF-7-2
/ /
: USM electronic ring manual focusing enabled.
1-35
Part 1: General Information
New Old
The focusing point selection range
expands by one point all around the
manually-selected focusing point. This
setting is effective when the manually-
selected focusing point is unable to
focus track a subject moving irregularly.
The camera automatically sets this
focusing point selection range (as
shown below) to suit the lens focal
length, AF mode, and the subject's
movement during predictive AF. This
is effective when the subject's move-
ment is unpredictable.
AF Mode
Shorter than 300mm
One Shot AF
No expansion.
AI Servo AF
For slow-moving
subjects.
3: When the button is released, the pre-
vious focusing point is selected.
4: When pressed while in the One Shot
AF mode, AI Servo AF is set. When
pressed while in the AI Servo AF
mode, One Shot AF is set. Toggling
is possible even during shutter
release.
5: The IS switch must be turned ON.
Result
AF stop
No AF start
No AF start again
AF stop maintained
CF-4-2 CF-4-3
/ /
/ /
/ /
: Disabled.
Remarks
Lens Focal Length
300mm or Longer
Expanded by 1 point.
For fast-moving For slow-moving For fast-moving
subjects. subjects. subjects.