Canon EOS 5D Mark IV L-series Zoom Lens Kit Owner's Manual

Page of 865
Menu Settings
544
2
: AF1 (Purple)
Page
2
: AF2 (Purple) 
2
: AF3 (Purple) 
Case 1
Versatile multi purpose setting
Case 2
Continue to track subjects, ignoring possible 
obstacles
Case 3
Instantly focus on subjects suddenly entering 
AF points
Case 4
For subjects that accelerate or decelerate 
quickly
Case 5
For erratic subjects moving quickly in any 
direction
Case 6
For subjects that change speed and move 
erratically
AI Servo 1st image 
priority
Release priority / Equal priority / Focus priority
AI Servo 2nd image 
priority
Shooting speed priority: -2/-1 / Equal priority: 0 
/ Focus priority: +1/+2
Lens electronic MF
Enable after One-Shot AF / Disable after One-
Shot AF / Disable in AF mode
AF-assist beam firing
Enable / Disable / IR AF assist beam only
One-Shot AF release 
priority
Release priority / Focus priority