Menu Guide/Custom Settings 7711: /Fn ButtonChoose the function performed by the Fn button.At settings other than Self-timer (the default option), the shooting information display willshow a icon to the left of the setting that can be adjusted by pressing the Fn button androtating the command dial (“Classic” display only; 81).12: AE-L/AF-LChoose the function performed by the AE-L/AF-L button.13: AE LockIf Off (the default option) is selected, pressing the shutter-releasebutton halfway does not lock exposure. If On is selected, expo-sure will lock when the shutter-release button is pressed halfway.Option DescriptionSelf-timer(default) Press the Fn button to select self-timer mode ( 33).ShootingmodePress the Fn button and rotate the command dial to selectshooting mode ( 32).Imagequality/sizePress the Fn button and rotate the command dial to selectimage quality and size ( 29).ISOsensitivityPress the Fn button and rotate the command dial to select ISOsensitivity ( 37).WhitebalancePress the Fn button and rotate the command dial to selectwhite balance (P, S, A, and M modes only; 49).Option DescriptionAE/AF lock(default) Both focus and exposure lock while the AE-L/AF-L button is pressed.AE lock only Exposure locks while the AE-L/AF-L button is pressed. Focus is unaffected.AF lock only Focus locks while the AE-L/AF-L button is pressed. Exposure is unaffected.AE lock hold Exposure locks when the AE-L/AF-L button is pressed and remains locked until the button ispressed again or the exposure meters turn off.AF-ON The AE-L/AF-L button initiates autofocus. The shutter-release button can not be used tofocus.