2 EnEnglishIndicatorPortOutputs super-bass sound.OUTPUT (TO SPEAKERS) terminals ( page 3)Can be used for connecting to the main speakers.Signals from the INPUT1 terminals are sent to theseterminals.INPUT2 (NORMAL) terminals ( page 3)Used to input line level signals from the amplifier.INPUT3 (LFE) terminals ( page 3)The HIGH CUT control has no effect on the signalsinput to these terminals.SYSTEM CONNECTOR jack ( page 5)Connect the supplied system control cable here. If youuse the system control cable to connect a subwoofer toa Yamaha component (that features a system connectorjack), turning on or off the power to the connectedcomponent automatically turns the subwoofer on oroff.INPUT1 (FROM AMPLIFIER) terminals( page 4)Used to connect the subwoofer with the speakerterminals of the amplifier.AUTO STANDBY (HIGH/LOW/OFF) switch( page 5)This switch is originally set to the OFF position. Bysetting this switch to the HIGH or LOW position, thesubwoofer’s automatic power-switching functionoperates. If you do not need this function, leave thisswitch in the OFF position.NoteBe sure to set the POWER switch to OFF before you setthe AUTO STANDBY switch.PHASE switch ( page 6)This switch is to be set to the REV (reverse) position.However, depending on your speaker system or listeningconditions, there may be a case when better sound qualityis obtained by setting this switch to the NORM (normal)position. Select the best position by ear.B.A.S.S. (Bass Action Selector System) switch( page 6)When this switch is set toMUSIC, the bass sound inaudio software is wellreproduced. When the switch is set to MOVIE, the basssound in video software is well reproduced.HIGH CUT control ( page 6)Adjusts the high frequency cut off point.Frequencies higher thanthe frequency selected bythis control are all cut off(and not output).VOLUME controlAdjusts the volume level. Turn the control clockwise toincrease the volume, and counterclockwise to decreasethe volume.POWER switchDuring normal usage, set this switch to ON. If you plannot to use the subwoofer for a long period of time, set theswitch to OFF.CONTROLS AND THEIR FUNCTIONSFrontpanelRear panelTop panelGreen:Red:Off:The subwoofer is turned on.The Automatic power-switching functionhas activated, and the subwoofer is instandby mode.The subwoofer is turned off.* One graduationof this controlrepresents 10 Hz.