Read the chapter for the specific Adventure Dive the night before you attempt it. Pay close attention to the "Knowledge Review" section at the end of each chapter.
This is the math and logic section. You will learn natural navigation (using water currents, ripple marks, and sun position) and compass navigation. The PDF includes diagrams for reciprocal courses, square patterns, and estimating distance via kick cycles. padi advanced open water manual pdf
If you are planning to buy the eLearning or a physical copy, here is exactly what you will find inside the (current edition). Read the chapter for the specific Adventure Dive
A quick Google search for "padi advanced open water manual pdf free download" will lead you to file-sharing sites, Reddit threads, and obscure forums. Here is why you should use these: You will learn natural navigation (using water currents,
: Completion of the AOW course qualifies divers to reach depths of up to 30 meters (100 feet) .