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Canon EOS 40D Guide to Digital Photography by David D. Busch

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Auto Play

Auto Play is a convenient way to review images one after another, without the need to manually switch between them. To activate, just choose Auto Play from the Playback 2 menu. During playback, you can press the Set button to pause the “slide show” (in case you want to examine an image more closely), or the Info. button to change the amount of information displayed on the screen with each image. For example, you might want to review a set of images and their histograms to judge the exposure of the group of pictures.

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