ORGANIZING YOUR FOOTAGE 4 Choose All Frames. Note: Playback is determined by where you have clicked in the Final Cut Pro inter- face. If you wish to preview the output of the Timeline click either the Timeline of the interface or the Canvas. If you wish to preview content in the Viewer full-screen click the Viewer and video will then show full-screen from this area. A quick way to invoke the full-screen monitoring option is to press Command + F12. If you find Command + F12 does not work you need to do one of the following: 1 2 Select Easy Setup from the Final Cut Pro menu, choose the format you are working with and try again. Set the keyboard to Standard settings, as on some Macs the F12 func- tion key is set to be a Volume command and this overrides this function in Final Cut Pro.