Canon EOS 5DS R 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 button to display the detailed settings screen. Turn the or dial to select the parameter to be registered, then press to append a checkmark [X]. When you select a parameter and press , you can adjust the parameter. By pressing the 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 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