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VOLTAGE SELECTOR (For Asia and General models) The voltage selector switch on the rear panel of this unit must be set for your local main voltage BEFORE plugging this unit into the AC main supply. Voltages are 110–120/220–240 V AC, 50/60 Hz. Table of contents Precautions: Read this before operating this unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Positioning the subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Using the subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Advanced Yamaha Active Servo Technology II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 English 1 Introduction Features • This subwoofer system employs Advanced Yamaha Active Servo Technology II which Yamaha has developed for reproducing higher quality super-bass sound. (Refer to page 5 for details on Advanced Yamaha Active Servo Technology II.) This super-bass sound adds a more realistic, theater-in-the-home effect to your stereo system. • The slim design matches the interior of your home. Supplied accessories Please confirm that the following item is included in the package. Subwoofer cable (5 m) Positioning the subwoofer A B It is recommended to place the subwoofer on the outside of either the right or the left front speaker. (See fig. A .) The placement shown in fig. B is also possible, however, if the subwoofer system is placed directly facing the wall, the bass effect may die because the sound from it and the sound reflected by the wall may cancel out each other. To prevent this from happening, face the subwoofer system at an angle as shown in fig. A . Note: There may be a case that you cannot obtain enough super-bass sounds from the subwoofer when listening in the center of the room. This is because “standing waves” have been developed between two parallel walls and they cancel the bass sounds. In such a case, face the subwoofer obliquely to the wall. It also may be necessary to break up the parallel surfaces by placing bookshelves etc. along the walls. ( : subwoofer, : front speaker) Connections Caution: Plug the power cables for the subwoofer and other audio/video components into an AC outlet only after you complete all other connections. Basic connection example Connect the subwoofer cable to the output jack of your AV amplifier, receiver or TV and to the INPUT jack of the subwoofer. Amplifier (The rear panel of various amplifiers may differ in appearance.) INPUTINPUT INPUT To AC outlet (U.K. and Europe models) Subwoofer rear panel Flat TV (The rear panel of various Flat TV may differ in appearance.) SUBWOOFER INPUTINPUT SUBWOOFER To AC outlet Subwoofer rear panel (U.K. and Europe models) Connecting components and the subwoofer to AC power After you complete a subwoofer connection, plug the amplifier, TV or other audio/video component, and the subwoofer into an AC outlet of appropriate voltage. VOLTAGE SELECTOR ( For Asia and General models) The voltage selector switch on the rear panel of this unit must be set for your local main voltage BEFORE plugging this unit into the AC main supply. Voltages are 110–120/220–240 V AC, 50/60 Hz. VOLTAGE SELECTOR 220V-240V 110V-120V Using the subwoofer OFF ON POWER VOLUME INPUTINPUT 3 1 4 2 INPUT VOLUME OFF ON POWER Subwoofer top panel (U.K. and Europe models) Subwoofer rear panel 1Power indicator Lights up GREEN when the POWER switch (2) is turned ON; turns off when the POWER switch is turned OFF. 2POWER switch Press this switch to the ON position to turn on the power to the subwoofer. When the power of the subwoofer is on, the power indicator (1) on the rear panel lights up green. Press this switch again to set it to the OFF position to turn off the power of the subwoofer. 3VOLUME control Adjusts the volume level. Turn the control clockwise to increase the volume, and counterclockwise to decrease the volume. 4INPUT terminal Input terminal for line level signals from the amplifier. For Asia and General models VOLTAGE SELECTOR. See page 3 for more details. Pre-adjusting the subwoofer volume Before you use the subwoofer, first adjust the volume balance between the subwoofer and the front speakers by following the procedure below. 1.Set the VOLUME control to minimum (0). 2.Turn on the power to all other components. 3.Press the POWER switch to the ON position. The power indicator on the rear panel lights up green. 4.Play a source that contains low-frequency sounds. Adjust the ampl...