To view an enlarged version of the image, click on the image.
To return to the small image and caption, click the reload original button.
To go to the previous image in the image list click the <image button.
To go to the next image in the image list click the image> button.
To return to the chapter click the chapter button. (Some caption screens have a back button instead of a chapter button.)
To go to the image list for this chapter click the image list button.