Canon EOS 5DS Instruction Manual page 420

83: Custom ControlsN
: Switch to registered AF function
After setting and assigning this function to a button, you can apply the
following settings by holding down the assigned button for AF: AF area
selection mode (p.90), Tracking sensitivity (p.114), Acceleration/
deceleration tracking (p.115), AF point auto switching (p.116), Servo 1st
image priority (p.118), and Servo 2nd image priority (p.119). Convenient
when you want to change the AF characteristics during AI Servo AF.
*2:On the setting screen, press the <B> button to
display the detailed settings screen. Turn the <5>
or <6> dial to select the parameter to be
registered, then press <0> to append a
checkmark [X]. When you select a parameter and
press <0>, you can adjust the parameter.
By pressing the <L> button, you can revert the
settings to their defaults.
: ONE SHOT z AI SERVO
You can switch the AF operation. In One-Shot AF mode, when you hold
down the button to which this function is assigned, the camera switches
to AI Servo AF mode. In the AI Servo AF mode, the camera switches to
One-Shot AF mode only while you hold down the button. Convenient
when you need to keep switching between One-Shot AF and AI Servo
AF for a subject that keeps moving and stopping.
: Switch to registered AF point
During metering, when you press the button assigned to this function,
focusing point can be switched to the registered AF point.
*3:On the setting screen, when you press the <B> button, you can select [Switch
only when btn is held] or [Switch each time btn is pressed]. To register the AF
point, see page 418.
420