Canon EOS-1Dx Mark II User Manual - Page 134

3 Customizing AF Functions Initial AF Point, AI Servo AF You can set the AI Servo AF's starting AF point for when the AF area selection mode is set to Auto selection AF. : Initial AF pt selected AI Servo AF will start with the manually-selected AF point when the AF operation is set to AI Servo AF and the AF area selection mode is set to Auto selection AF. : Manual AF pt If you switch from Manual select.:Spot AF, Manual selection:1 pt AF, Expand AF area: , or Expand AF area:Surround to Auto selection AF, AI Servo AF will start with the AF point that was manually selected before the switch. Useful if you want AI Servo AF to start with the AF point that was selected before the AF area selection mode was switched to Auto selection AF. After setting the AF area selection mode to Auto selection AF with the [86: Custom Controls] menu's [Metering and AF start] (p.450), [Switch to registered AF func.] (p.452) or [Register/recall shooting func] (p.458), during shooting with Manual select: Spot AF, Manual selection: 1 pt AF, Expand AF area: , or Expand AF area: Surround, you can press the assigned button to start shooting with Auto selection AF set for the AI Servo AF using the last used AF point as the initial AF point. AUTO: Auto The AF point which AI Servo AF starts with is set automatically to suit the shooting conditions. When [Manual AF pt] is set, AI Servo AF will start with the zone that corresponds to the manually-selected AF point even if you switch AF area selection mode to Zone AF or Large Zone AF. 134