324UChoose the role played by pressing the shutter-release buttonwhen 1 is selected with the live view selector.g4: Assign Shutter Button G button ➜ A Custom Settings menuOption DescriptionC Take photosPress the shutter-release button all the way down toend movie recording and take a photograph with anaspect ratio of 16 : 9 (for information on image size,see page 68).1 Record moviesPress the shutter-release button halfway to startmovie live view. You can then press the shutter-release button halfway to focus and press it all theway down to start or end recording. To end movie liveview, press the a button. The shutter-release buttonson optional remote cords (0 390) function in thesame way as the camera shutter-release button.A Record MoviesWhen this option is selected, interval timer photography (0 201) is notavailable and any functions assigned to the shutter release button (suchas taking photographs, measuring preset white balance, and takingimage dust-off reference photos) can not be used when 1 is selectedwith the live view selector. Select Take photos to use these options.