Nikon D750 Product Manual - Page 98

Indices If Index marking is selected as the "press" option for Custom Setting g1 (Assign Fn button, 0 370), g2 (Assign preview button, 0 372), or g3 (Assign AE-L/AF-L button, 0 373), you can press the selected button during recording to add indices that can be used to locate frames during editing and playback (0 80; note that indices can not be added in i mode). Up to 20 indices can be added to each movie. Pv button Index A See Also Frame size, frame rate, microphone sensitivity, card slot, and ISO sensitivity options are available in the movie shooting menu (0 318). Focus can be adjusted manually as described on page 60. The roles played by the J, Fn, Pv, and A AE-L/AF-L buttons can be chosen using Custom Settings f1 (OK button; 0 354), g1 (Assign Fn button; 0 370), g2 (Assign preview button; 0 372), and g3 (Assign AE-L/ AF-L button, 0 373), respectively (the last three options also allow you to lock exposure without having to keep a button pressed). Custom Setting g4 (Assign shutter button; 0 373) controls whether the shutter-release button can be used to start movie live view or to start and end movie recording. 70