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1 Power indicator
Lights up in green while the subwoofer is on.
Lights up in red while the subwoofer is set in the
standby mode by the operation of the automatic power-
switching function.
Goes off when the subwoofer is set in the standby
mode.
2 STANDBY/ON button
Press this button to turn on the power when the
POWER switch is set in the ON position. (The power
indicator lights up in green.)
Press again to set the subwoofer in the standby mode.
(The power indicator goes off.)
3 B.A.S.S. (Bass Action Selector System) button
When this button is pressed in to the MUSIC position,
the bass sound in audio software is well reproduced.
By pressing the button again so that it pops out at the
MOVIE position, the bass sound in video software is
well reproduced.
4 HIGH CUT control
Adjusts the high frequency cut off point.
Frequencies higher than the frequency selected by this
control are all cut off (and no output).
* One graduation of this control represents 10 Hz.
5 VOLUME control
Adjusts the volume level. Turn the control clockwise to
increase the volume, and counterclockwise to decrease
the volume.
6 VOLTAGE SELECTOR switch
(China, Korea and General models only)
If the preset setting of the switch is incorrect, set the
switch to the proper voltage (110V, 120V, 220V or
240V) of your area.
Consult your dealer if you are unsure of the correct
setting.
WARNING
Be sure to unplug the subwoofer before setting the
VOLTAGE SELECTOR switch correctly.
7 POWER switch
Normally, set this switch to the ON position to use the
subwoofer. In this state, you can turn on the subwoofer
or turn the subwoofer into the standby mode by
pressing the STANDBY/ON button. Set this switch to
the OFF position to completely cut off the subwoofer’s
power supply from the AC line.
8 OUTPUT (TO SPEAKERS) terminals
Can be used for connecting to the main speakers.
Signals from the INPUT1 terminals are sent to these
terminals.
(Refer to “CONNECTIONS” for details.)
9 INPUT1 (FROM AMPLIFIER) terminals
Used to connect the subwoofer with the speaker
terminals of the amplifier.
(Refer to “CONNECTIONS” for details.
0 INPUT2 terminals
Used to input line level signals from the amplifier.
(Refer to “CONNECTIONS” for details.)
A AUTO STANDBY (HIGH/LOW/OFF) switch
This switch is originally set to the OFF position. By
setting this switch to the HIGH or LOW position, the
subwoofer’s automatic power-switching function
operates as described on page 15. If you do not need
this function, leave this switch in the OFF position.
* Make sure to change the setting of this switch only
when the subwoofer is set in the standby mode by
pressing the STANDBY/ON button.
B PHASE switch
Normally this switch is to be set to the REV (reverse)
position. However, according to your speaker systems
or the listening condition, there may be a case when
better sound quality is obtained by setting this switch
to the NORM (normal) position. Select the better
position by monitoring the sound.
CONTROLS AND THEIR FUNCTIONS
Standby mode
The subwoofer is still using a small amount of
power in this mode.
YST-SW315_215_03.25UB.fm Page 14 Tuesday, April 15, 2003 12:05 PM