SUN, SAILS AND CINEMA - The filming of “Jaws 2” in I he wafers off Navarre Beach is In its fourth wee*. The movie's actors and production personnel have settled down lo a six-days-a-week routine for the filming, which is expected to lastthrough November. Here, director Jean-not Szwarc and a boatload of technicians instruct some youthful actors for a sailboat sequence about to come before thecameras.(Ph oto by Da vid Skipper)