Pioneer S-31W Operating Instructions Manual page 5

Connection
Before making or changing the connections,
switch off the power and disconnect the
power cord from the AC outlet.
Line level connection
Supplied RCA
plug cord
Connect the subwoofer's LINE IN terminal to
the receiver's SUBWOOFER PREOUT terminal
using the included RCA plug cord.
Important
• When connected to the PREOUT terminal for
surround center channel on the receiver, the
bass is heard only on the center channel, so
it will be insufficient.
Connecting the power cord
Rear panel
Connect the power cord for the this unit to the
unit's power connector (AC IN), and the other
ends to an AC power supply. When turning on
the power, turn on the power to the receiver
first, then the power to this unit.
POWER-CORD CAUTION
Handle the power cord by the plug. Do not pull out the
plug by tugging the cord and never touch the power
cord when your hands are wet as this could cause a
short circuit or electric shock.
WARNING:
Do not climb or sit on this unit. Be especially careful
when children are around. The unit may be damaged,
or may fall over causing injury.
Receiver
ON
POWER
AC IN
Power cord
Operation
For details regarding operating part functions,
refer to Panel facilities on page 4.
1 Turn the POWER switch (5) ON.
• If the unit's power cord is connected to a
switched AC outlet on the receiver and the
switch is left ON, the unit can be turned
ON/OFF together with the receiver.
• If the unit's power cord cannot be
connected to the receiver, turn the power
to the receiver ON before turning the
power to the unit ON. When turning the
power OFF, turn the power to the unit OFF
before turning the power to the receiver
OFF.
• Set the cross-over frequency to match that
of the speakers actually used.
2 Operate the receiver and adjust the
volume of the other speakers.
3 Adjust the volume of the bass with the
volume knob (2).
• Turn the knob slowly from the MIN
position.
4 Turn the POWER switch (5) OFF.
• The power indicator disappears.
• Do not use the speaker to output distorted
sound for long periods of time. This can
result in damages to the speaker and poses a
potential fire hazard.
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