Nikon D750 Product Manual - Page 398

g: Movie g1: Assign Fn Button G button ➜ A Custom Settings menu Choose the role played by the Fn button during movie live view (the default option is None). ❚❚ Press Option q Power aperture (open) r Index marking s View photo shooting info B AE/AF lock C AE lock only E AE lock (Hold) F AF lock only A AF-ON None Description Aperture widens while the button is pressed. Use in combination with Custom Setting g2 (Assign preview button) > Power aperture (close) for button-controlled aperture adjustment (0 372). Press the button during movie recording to add an index at the current position (0 70). Indices can be used when viewing and editing movies. Press the button to display information on shutter speed, aperture, and other photo settings in place of movie recording information. Press again to return to the movie recording display. Focus and exposure lock while the button is pressed. Exposure locks while the button is pressed. Exposure locks when the button is pressed, and remains locked until the button is pressed a second time. Focus locks while the button is pressed. Pressing the button initiates autofocus. The shutter-release button can not be used to focus. Pressing the button has no effect. 370