167IndicesIf Index marking is selected as the“Press” option for Custom Setting g1(Assign Fn button, 0 288), g2 (Assignpreview button, 0 288), or g3 (AssignAE-L/AF-L button, 0 288), you can pressthe selected button during recording toadd indices that can be used to locateframes during editing and playback(0 178; note that indices can not beadded in i mode). Up to 20 indices canbe added to each movie.A See AlsoFrame size, frame rate, microphone sensitivity, card slot, and ISOsensitivity options are available in the movie shooting menu (0 273).The roles played by the J, Fn, Pv, and A AE-L/AF-L buttons can be chosenusing Custom Settings f1 (OK button; 0 284), g1 (Assign Fn button;0 288), g2 (Assign preview button; 0 288), and g3 (Assign AE-L/AF-L button, 0 288), respectively (the last three options also allowyou to lock exposure without having to keep a button pressed).Custom Setting g4 (Assign shutter button; 0 288) controls whetherthe shutter-release button can be used to start live view or to start andend movie recording.Pv buttonIndex
