Canon EOS-1D X Af Setting Manualbook page 5

Various settings for AF-related features can be made with AF menus [AF2] – [AF5]
AF2: AI Servo
Settings related to shutter timing and speed when
tracking moving subjects with AI Servo AF
The [AF2] tab includes settings related to camera's priority
concerning shutter release timing when using AI Servo AF. [AI
Servo 1st image priority] and [AI Servo 2nd image priority]
make it possible to make focusing the priority, slowing the drive
speed if necessary or prioritizing faster continuous frame rates.
AF3: One-Shot
Settings related to focusing and shutter release
timing when using One-Shot AF
Within the [AF3] tab, the [One-Shot AF release priority] lets
users change shutter release timing when shooting non-moving
subjects. The other options [USM lens electronic MF] and [AF-
assist beam firing] control the manual focus operation of select
lenses with electronic manual focus, and the operation of AF
assist beam of attached Speedlites.
AF4
Settings related to AF point selection
Select which and how AF points are selected. This menu includes
settings related to [AF area selection mode] ([Automatic AF
point selection criteria], [Selectable AF points], [AF area
s e l e c t i o n m o d e ] , [ A F a r e a s e l e c t i o n m e t h o d ] a n d
[Orientation linked AF point]). In addition, there is the [Lens
drive when AF impossible] option in this menu.
AF5
Settings related to display of AF points, etc.
Within [AF5] tab are settings that control how AF points are
displayed in the viewfinder, such as [AF point display during
focusing], [VF display illumination] and [AF status in
viewfinder]. With [Manual AF pt. select pattern], the AF point
selection can stop at the end of a row or, instead, loop back to
the opposite side of the AF area. For those who need to make fine
focus adjustments, [AF Micro-adjustment] is available.
5