Diagram (the pdf) and picture from PeteW, a picture of Maruska's step, and a picture from a P323, Briar Patch (no other info available).
Links to related threads.
http://www.pearson365.com/forum/index.php?topic=1709
http://www.pearson365.com/forum/index.php?topic=1764
http://www.pearson365.com/forum/index.php?topic=1160
http://www.pearson365.com/forum/index.php?topic=113