Canon EOS-1D C EOS 1D X Instruction Manual - Page 102

3 Customizing AF Functions VF display illumination The AF points and grid in the viewfinder can be illuminated in red when focus is achieved. AUTO: Auto The AF points and grid are automatically illuminated in red under low light. ON: Enable The AF points and grid are illuminated in red regardless of the ambient light level. OFF: Disable The AF points and grid are not illuminated in red. Press the button to set the AF points to be illuminated in red (blink) during AI Servo AF. OFF: Non illuminated AF points are not illuminated in red during AI Servo AF. : Illuminated (Normal) AF points used for focusing are illuminated in red during AI Servo AF. The red illumination takes effect when [VF display illumination] is set to [Auto] or [Enable]. : Illuminated (Brighter) The function is the same as that of [Illuminated (Normal)]. However, the illumination is brighter. The setting here is not applied to the electronic level display (p.61) in the viewfinder. Blinking interval depends on the shooting conditions. The AF points and grid will always be illuminated in red when you press for AF point selection. 102