Optimus XTS-10 Swivel Speaker System (400-2078) Operation Faxback Doc. # 33895 SWIVELING THE SPEAKERS High frequency sounds are more directional than middle or low frequency sounds. After you position and connect the speakers, you can swivel them for the best sound. For more direct sounds, swivel the top speaker inward so it points directly toward the listening area. For reflected sounds, swivel the top speaker outward so it points toward a window or a wall. The sound reflects back to the listening area. (YO/EB 6/19/96)