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In the case of using normally, adjust the sub woofer level. 8EN POWER LEVEL CUT OFF FREQ PHASE U MIN MAX 50Hz 200Hz .NORMAL .REVERSE POWER LEVEL 1 1 Turn on the amplifier and select the program source. 2 2 Press POWER. The woofer turns on and the POWER indicator lights up in green. 3 3 Play the program source. Adjust the VOLUME so that sound from front speakers is not distorted. If it is distorted, the sound from the woofer will also be distorted. To turn off the power Press POWER to release the switch. If you hear noise when you turn off the woofer, turn down the LEVEL of the woofer, or turn off the amplifier before turning off the woofer. Basic Operations Basic Operations Adjusting the Sound You can adjust the sound of the woofer to suit the sound of your front speakers. Reinforcing the bass sound gives you a greater sense of atmosphere. POWER LEVEL CUT OFF FREQ PHASE U MIN MAX 50Hz 200Hz . NORMAL .REVERSE Note If the sound distorts when you turn on the bass reinforcement from your amplifier (such as, DBFB, GROOVE, the graphic equalizer, etc.), turn off the bass reinforcement and adjust the sound. Note Selecting NORMAL or REVERSE with the PHASE button reverses the polarity and may provide better bass reproduction in certain listening environments (depending on the type of front speakers, the position of the woofer and the adjustment of the cut-off frequency). It may also change the expanse and tightness of the sound, and effect the feeling of the sound field. Select the setting that provides the sound you prefer when listening in your normal listening position. LEVEL CUT OFF FREQ PHASE 1 1 Adjust the cut-off frequency. Turn the CUT OFF FREQ control, depending on the reproduction frequencies of your front speakers. 432180Hz Refer to the following when adjusting. 65Hz 140Hz 1 Typical very small sized speakers: 5 – 7 cm dia. 2 Typical small sized speakers: 8 –15 cm dia. 50Hz 200Hz 3 Typical medium sized speakers: 16 –24 cm dia. 4 Typical large sized speakers: more than 25 cm dia. To make the most of the low level converter function of Dolby digital, turn the CUT OFF FREQ as high as possible when playing back the Dolby digital (AC-3). 2 2 Adjust the volume level of the woofer. Turn the LEVEL control so that you can hear the bass sound a little more than before. Do not raise the bass excessively as this will result in the loss of balance and depth. To increase the volume, turn the control clockwise. To decrease the volume, turn the control counterclockwise. 3 3 Play your favorite song and movie. Male vocal tunes and voice containing bass sounds are most suitable for adjustment. Turn the volume for front speakers to the same level as usual. When playing a movie, raise the volume higher than the level for music to produce a more powerful sound. 4 4 Select the phase polarity. Press the PHASE button to select the phase polarity. 5 5 Repeat steps 1 to 4 to adjust for your preference. Once you have adjusted the woofer to the settings you desire, use the VOLUME control on the amplifier to adjust the volume of the woofer with that of the other speakers. You don’t need to adjust the woofer settings when you change the volume level of the amplifier. Basic 9EN Additional Information Precautions On safety • Before operating the woofer, be sure that the operating voltage of your woofer is identical with that of your local power supply. • Unplug the woofer from the wall outlet if it is not to be used for an extended period of time. To disconnect the cord, pull the cord by grasping the plug. Never pull the cord itself. • Should any liquid or solid object fall into the woofer, unplug the woofer and have the woofer checked by qualified personnel before operating it any further. • AC power cord must be changed only at the qualified service shop. When turning on or off an amplifier or other equipment Lower the volume of the amplifier to minimum. To avoid damaging the woofer • Be careful in setting the volume control of the amplifier to avoid an excessive input power. • Do not attempt to open the enclosuer or remold speaker units and networks. • The grill net is not removable. Do not remove it. In case color irregularity is observed on the nearby TV screen With the magnetically shielded type of the speaker system, the speakers can be installed near a TV set. However, color irregularity may still be observed on the TV screen depending on the type of your TV set. If color irregularity is observed... nTurn off the TV set once, then turn it on after 15 to 30 minutes. If color irregularity is observed again... nPlace the speakers further apart from the TV set. When howling occurs Relocate the speaker or turn down the volume of the amplifier. On installation • Do not install the woofer near heat sources such as radiators or air ducts, or in a place subject to direct sunlight, excessive dust, mechanical vibration or shock. • Good ventilation is essential to prevent internal heat build-up in the woofer. Place the woofer in a location wit...