Yamaha YSP-2700 Owners Manual - Page 103

When surround effect is not enough The unit achieves its surround sound effects by projecting sound beams which reflect off walls. The sound beams are not reflected toward to the listening position caused by furniture, etc., in the path of sound beams, or the room shape. In this case, the sound may become unbalanced. Installing and adjusting the sound reflection board YRB-100 1 Decide the position of the sound reflection board. Install the sound reflection board as shown in the picture. Figure 1. Ideal condition Figure 2. Surround right beam is not being reflected because there is no wall. Surround right is quieter than surround (left), or surround right is in front of its proper location. If the sound beams are not reflected toward to the listening position (figure 2), you can adjust for this by installing the optional sound reflection board YRB-100. Figure 3. With a sound reflection board installed The sound beam for surround right is reflected correctly, and correct surround sound effect is achieved. • Always hold the pole when moving the sound reflection board. • Use "Channel Level" in the setup menu (p. 77) to determine the precise direction from which sounds are difficult to hear. Recommended position for installation Front side Approx. 1.5 to 3 m (5 to 10 ft) YRB-100 Front side Install the panel front side of the listening position, and outside of the surround side panel. Listening position Surround side Install the panel back side of the listening position, and inside of the front side panel. Surround side Approx. 1 to 2.5 m (3 to 8 ft) • YRB-100 may not be available in some countries or regions. APPENDIX ➤ When surround effect is not enough En 103