Olympus c-8080 w/ikelite 50 strobe / housing

Just got first digital underwater camera.Going shark cage diving in nov.I need help setting controls on camera.Exp.should I use sport contol?Resolution?flash,ect thanks

Start here: http://www.ikelite.com/web_pages/gide_o8080.html

Super camera and housing, but I found it difficult to set up.

Recommended: http://www.ikelite.com/web_pages/8080domelens.html