Document 65EXYbBoB7ob9kxng18JpwXg

14--Audio-Visual Media Fig 14-6 --It is easy to get variety in layout color and lettering Hand lettering, colored tapes, stack-on letters, and stencils can be used To keep chalk or charcoal dust from smudging, spray the finished artwork with a "workable fixative " or an inexpensive spray paint Also, lettering guides are available for use with special let tering pens and felt-tapped marking pens Often many styles of lettering can be made with one lettering set For a visual to be shown to a small group, a large black or colored crayon may be used For a visual intended for larger groups, in structor's chalk, broad tip felt marking pens, stencils, cutout letters, or brush-painted let ters are preferable Background colors can be varied also Too much of any one color can be tinng Try white on black or black on yellow Use of color Color enhances both nonprojected and pro jected visuals Contrasting colors always should be used For example, black lettering shows up well on a white, yellow, or bghtorange background, and worst on a dark blue With projected visuals, color adds realism, provides contrast values that can bnng out 326 important points, and gives a professional look to the completed visual With color film, for instance, title frames can be made attractive and closeups can be shot against black or colored backgrounds for good contrast Textured backgrounds and colored lighting effects lend a professional touch Full-color motion pictures are not al ways necessary Because emphasis is focused on the action, black and white may even be more effective For posters, dramatic effects can be ob tained with the high visibility fluorescent paints, chalks, and papers, particularly if "black" light is used Color can be added with large blocks of instructor's colored chalk or with colored felttapped pens that make a broad, heavy line Colored designs easily can be made by spray ing through stencils or simple cutouts Spray cans can be used also to give overall color, and powdered colored chalk can be daubed lightly over lettered material to give a tint