4-20Personal Function SettingsP.Fn-28P.Fn-30P.Fn-27Prevents exposure compensation with the Quick Control Dial● The Quick Control Dial cannot be used to set exposure compensation.● This prevents exposure compensation from being set accidentally while the AF point isbeing selected.Enlargement mode● Select which part of an image is enlarged.● If you take the shot on the camera with this function [ON], you can enlarge an image.● For more information on using this function on the camera, see “P.Fn-30 Enlarging theimage” in the EOS-1Ds Instructions.● If you wish to enlarge an image, set P.Fn-30 to [ON] during shooting and playback.Especially the image shot on the camera without setting P.Fn-30 to [ON] cannot beenlarged.● The image shot on any camera other than the EOS-1Ds cannot be enlarged.Enables the electronic dial’s function to be used in thereverse direction● The electronic dial’s rotational function can be reversed for selecting the AF point andsetting the shutter speed and aperture.● By matching the dial’s rotation direction to the particular operation, the operation can feelmore intuitive.When the < > dial’s rotational function is reversed, the horizontal AF pointselection direction does not change.