311UChoose the role played by the Fn button,either by itself (Fn button press) or whenused in combination with the command dials(Fn button + command dials).❚❚ Fn button pressSelecting Fn button press displays the following options:f4: Assign Fn Button G button ➜ A Custom Settings menuOption Descriptionq Preview * Press the Fn button to preview depth of field (0 117).r FV lock *Press the Fn button to lock flash value (built-in flash andcompatible optional flash units only, 0 190, 382). Pressagain to cancel FV lock.B AE/AF lock Focus and exposure lock while the Fn button is pressed.C AE lock only Exposure locks while the Fn button is pressed.DAE lock(Reset onrelease) *Exposure locks when the Fn button is pressed, andremains locked until the button is pressed a secondtime, the shutter is released, or the exposure metersturn off.E AE lock(Hold) *Exposure locks when the Fn button is pressed, andremains locked until the button is pressed a secondtime or the exposure meters turn off.F AF lock only Focus locks while the Fn button is pressed.A AF-ON * Pressing the Fn button initiates autofocus.s Flash off The flash will not fire in photos taken while the Fnbutton is pressed.
