3.4

Chapter 20 Creating Slideshow Presentations 469
Modifying Settings Applied to the Entire Slideshow
An Overview of Modifying the Entire Slideshow
The onscreen duration of each slide, the type of transition between slides, and the length of the
transitions are initially set by the theme you choose for the slideshow. However, you can change
these settings at any time, along with the aspect ratio, background color, image borders, Ken
Burns eect settings, and titles. For more information about working with slideshow themes, see
Changing a Slideshow’s Theme on page 467.
Setting the Aspect Ratio for the Slideshow
Determining the aspect ratio of the slideshow is the rst setting you need to address. Aperture
slideshows can be output at aspect ratios that match either the main or secondary display, the
dimensions of a standard 4:3 or 16:9 widescreen TV, or the 3:2 aspect ratio of iPhone.
To set the aspect ratio for the slideshow
m If the Default Settings pane of the Slideshow Editor is not shown, click the Default Settings
button, then choose an aspect ratio from the Aspect Ratio pop-up menu.
Looping the Slideshow and the Main Audio Track
You can set the slideshow to play repeatedly in full-screen mode until you stop playback by
pressing Esc. You can set playback of the audio clip in the slideshow’s main audio track to loop
until the end of the slideshow.
To set the slideshow to loop in full-screen mode until stopped
m In the Default Settings pane of the Slideshow Editor, select the “Repeat slideshow” checkbox.
To loop playback of the slideshow’s main audio track
m In the Default Settings pane of the Slideshow Editor, select the “Loop main audio track” checkbox.