2553 Custom Function SettingsNC.Fn II -3 Highlight tone priority0: Disable1: EnableImproves the highlight detail. The dynamic range is expanded from thestandard 18% gray to bright highlights. The gradation between the graysand highlights becomes smoother.C.Fn III: Autofocus/DriveC.Fn III -1 Lens drive when AF impossibleIf autofocus is executed, but focus cannot be achieved, the camera caneither keep trying to focus or stop.0: Continue focus search1: Stop focus searchPrevents the camera from becoming grossly out of focus as it attemptsto focus again. Especially convenient with super telephoto lenses whichcan become extremely out of focus.C.Fn III -2 AF point selection method0: SActivate AF selection / 9Select AF pointYou can press the <S> button, then select the AF point directly with<9>.1: SAuto selection / 9Manual selectionPressing the <S> button will set automatic AF point selection. Toselect the AF point manually, you can use <9> without first pressingthe <S> button.With setting 1, the Auto Lighting Optimizer (p.101) is automatically set to[Disable] and the setting cannot be changed.With setting 1, noise may become slightly more pronounced than usual.With setting 1, the settable range will be ISO 200 - 6400.Also, the <A> icon will be displayed on the LCD panel and in theviewfinder when highlight tone priority is enabled.With setting 1, the C.Fn IV -2 [Assign SET button] setting will be disabled.COPY