Here are some links that will help you learn how to shoot in manual. They are camera simulators.
http://dryreading.com/camera/index.html
http://camerasim.com/camera-simulator/
http://www.kamerasimulator.se/eng/?page_id=2
http://imaging.nikon.com/lineup/lens/simulator/
http://dryreading.com/camera/index.html
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