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OPERATION
The S120PII is equipped with
both a master Power switch
‚ and an Auto turn-on/turn-
off switch £. In order to
function, the S120PII must
be plugged into an active
electrical outlet (but not an
accessories outlet on another
component of your audio
system such as a receiver),
and the master Power switch
‚ must be turned on
(the “•” position).
The Auto turn-on/turn-off
switch £ has three positions:
On The subwoofer is on at
all times and ready to
play program material.
Auto As long as no audio
signal is received, the
subwoofer is in Standby
mode to conserve
power, indicated by the
red color of the LEDs on
the front of the unit.
When an audio signal is
sensed, the subwoofer
will switch itself into the
fully On mode and begin
playing the program
material. The LEDs will
turn green. When a
period of about twenty
minutes goes by during
which no signal is
sensed, the S120PII will
return to Standby mode,
indicated by the LEDs
turning red.
Off The subwoofer is off at
all times, even if an
audio signal is present
at its inputs.
If you plan to be away for an
extended time, or if the
subwoofer will not be used,
you may wish to turn off the
master Power switch ‚.
The subwoofer Level Control
∞ adjusts the volume of the
subwoofer relative to the rest
of the system. Proper level
adjustment depends on
several variables such as
room size, subwoofer
placement, type of main
speakers and listener position.
Adjust the subwoofer level so
that the volume of the bass
information is pleasing to you.
When using a Dolby Digital/
DTS receiver, adjust the LFE
level on the receiver to 0dB,
and then adjust the subwoofer
Level Control ∞ for the
desired amount of bass.
Crossover Adjustments
The Crossover Frequency
Control ¢ determines the
highest frequency at
which the
subwoofer reproduces
sounds.
If your main speakers can
comfortably reproduce some
low-frequency sounds, set
this control ¢ to a lower
frequency setting, between
50Hz – 100Hz. This will
concentrate the subwoofer’s
efforts on the ultradeep bass
sounds required by today’s
films and music. If you are
using smaller bookshelf
speakers that do not extend to
the lower bass frequencies,
set the low-pass Crossover
control ¢ to a higher setting,
between 120Hz – 150Hz. This
control
¢ is not used when
the LFE switch
™ is in the
“LFE” position.
S120P
II
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
AVERTISSEMENT: POUR PRÉVENIR LES RISQUES D’INCENDIE OU
DE CHOC ÉLECTRIQUE ÉVITER D’EXPOSER CET APPAREIL A LA
PLUIE OU A L’HUMIDITÉ.
ON
OFF
HIGH
LEVEL
IN
HIGH
LEVEL
OUT
L
R
L
R
+ –
IN OUT R L
CROSSOVER
FREQUENCY
LINE
LEVEL IN
(For LFE
use R or L)
LEVEL
PHASE AUTO
BASSQ
(See owner’s
manual
before use)
50Hz
80Hz
180°
0°
LFE
NORMAL
ON
OFF
150Hz
MIN
MAX
¡
¢
∞
¶
•
ª
™
£
‚
§
Level Control
Power
S120PII Studio Series
7