142More About PlaybackViewing Multiple Images: Thumbnail PlaybackTo display images in “contact sheets” of four ornine images, press the button and rotate themain command dial. The following operationscan be performed while thumbnails are dis-played:To Press and / or rotateToChangenumberof imagesdisplayedDescriptionPress button and rotate main command dialto change the number of images displayed asfollows: single image ↔ four thumbnails ↔ ninethumbnails ↔ single image.Togglefull frameplaybackPress center of multi selector to switch backand forth between full frame and thumbnailplayback.HighlightimagesPress multi selector up, right, left, or down tohighlight thumbnails.PagethroughimagesPress button and rotate sub-command dial toscroll through images a page at a time.DeleteimagesConfirmation dialog willbe displayed. Pressagain to delete photo. Toexit without deleting pho-to, press multi selector leftor right.( )Zoom in onhighlightedphotoPress for enlarged view of highlighted photo( 144).f1—Center Button > Playback Mode ( 205)Instead of toggling between full-frame and thumbnail playback, the center of themulti selector can be used to toggle playback zoom or display a histogram.