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6
BETA SW-10
OPERATION
Power On
Plug your subwoofer’sAC cord into a wall outlet.Do not use the outlets on the
back of the receiver.
Initially set the Subwoofer-Level Control
¡
to the “min”position.
Turn on your sub by pressing the Power Switch
•
on the rear panel.
Turn on your entire audio system and start a CD or movie soundtrack at a
moderate level.
Auto On/Stand-By
With the Power Switch
•
in the ON position, the Status LED
ª
on
the back panel will remain lit in red or green to indicate the
On/Standby mode of the subwoofer.
RED = STANDBY (No signal detected,Amp Off)
GREEN = ON (Signal detected,Amp On)
The subwoofer will automatically enter the Standby mode after approxi-
mately 10 minutes when no signal is detected from your system.The sub-
woofer will then power ON instantly when a signal is detected. During
periods of normal use, the Power Switch
•
can be left on.You may turn
off the Power Switch
•
for extended periods of nonoperation, e.g., when
you are away on vacation.
Adjust Gain
Turn your Subwoofer-Level Control
¡
up to the halfway position. If no
sound emanates from the subwoofer, check the AC-line cord and input
cables.Are the connectors on the cables making proper contact? Is the
AC plug connected to a “live”receptacle? Has the Power Switch
•
been pressed to the “On”position? Once you have confirmed that the
subwoofer is active, proceed by playing a CD, record or cassette.
Use a selection that has ample bass information.
Set the overall volume control of the preamplifier or stereo to a comfort-
able level.Adjust the Subwoofer-Level Control
¡
until you obtain a pleas-
ing blend of bass. Bass response should not overpower the room but
rather be adjusted so there is a harmonious blend across the entire musi-
cal range. Many users have a tendency to set the subwoofer volume too
loud, adhering to the belief that a subwoofer is there to produce lots of
bass.This is not entirely true.A subwoofer is there to enhance bass,
extending the response of the entire system so the bass can be felt as
well as heard. However, overall balance must be maintained or the music
will not sound natural.An experienced listener will set the volume of
the subwoofer so its impact on bass response is always there but never
obtrusive.
Phase Control
The Phase Switch
£
determines whether the subwoofer speaker’s piston-
like action moves in and out with the main speakers, 0˚, or opposite the
main speakers, 180˚. Proper phase adjustment depends on several
variables such as room size, subwoofer placement and listener position.
Adjust the phase switch to maximize bass output at the listening position.
Crossover Adjustment
The Crossover Frequency Control ¢ determines the highest frequency at
which the subwoofer reproduces sounds.If your main speakers can comfort-
ably reproduce some low-frequency sounds, set this control to a lower
frequency setting, between 50Hz and 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 Crossover Adjustment
control to a higher setting, between 120Hz and 150Hz.
NOTE:This control will have no effect if the LFE/Normal Switch
™ is set to
LFE.If you have a Dolby Digital or DTS processor/receiver, the Low-Pass
Frequency is set by the processor/receiver. Consult your owner’s manual to
learn how to view or change this setting.
MAINTENANCE AND SERVICE
The enclosure may be cleaned using a soft cloth to remove fingerprints
or to wipe off dust.
All wiring connections should be inspected and cleaned or remade peri-
odically.The frequency of maintenance depends on the metals involved in
the connections, atmospheric conditions,and other factors, but once per
year is the minimum.
If a problem occurs,make sure that all connections are properly made
and clean. If a problem exists in one loudspeaker, reverse the connection
wires to the left and right system. If the problem remains in the same
speaker, then the fault is with the loudspeaker. If the problem appears in
the opposite speaker, the cause is in another component or cable. In the
event that your subwoofer ever needs service,contact your local Infinity
dealer or distributor.