118More About PlaybackViewing Multiple Images: Thumbnail PlaybackTo display images in “contact sheets” of four ornine images, press the button in single-imageplayback. The following operations can be per-formed while thumbnails are displayed:To PressTo DescriptionHighlightphotographsPress multi selector up, right, left, or down to highlightthumbnails.Change num-ber of imagesdisplayedPress button to switch between four-thumbnail dis-play, nine-thumbnail display, and single-image playback.( )Zoom in onphotographPress button for enlarged view of highlighted photo-graph ( 120).DeletephotographPress button to deletehighlighted photograph (122). Confirmation dialog willbe displayed; press againto delete photo, or press anyother button to exit withoutdeleting photo.Protect / removeprotection fromphotographImages marked by icon can not be delet ed usingbutton or Delete option in playback menu (note thatprotected imag es will be deleted when memory card isfor mat ted). To protect image, or to remove protec tionfrom protected image, press button ( 121).DisplaymenusPress to end playback and display camera menus (39).Shutterrelease /End playback To end playback and return to shooting mode, pressbutton or press shutter-release button halfway.