The Fn Button
The role played by the Fn button can be selected using the FFUNCTION (Fn) SETTING option in the shooting menu. The options available include, depth-of-field preview (P42), sensitivity (P47), the self-timer (P57),imagesize(P70),imagequality(P71),dynamicrange(P71),film simulation(P61),metering(P56),focus/exposurelock(P53),instantAF (P50),focusmode(P49),IntelligentFaceDetection(P74),locationinfo search (P92), movie mode (P75), and RAW/JPEG toggle (P62).
R The FFn BUTTON SETTING menu can also be displayed by pressing and holding the Fn button.