9
MODULUS
Surround Modes
When using the Modulus system in a Dolby* Pro Logic* home-
theater system,make sure the receiver’s center-channel mode is
set to “Normal”.When using the Modulus system in a Dolby Digital
or DTS home-theater system,make sure the receiver’s speaker
modes are set to “Small”.
Some Dolby Digital-equipped receivers/processors offer different
setup options for each source or surround mode:e.g.,CD-stereo,
videotape,Dolby,Pro Logic.In each case,follow your equipment’s
instructions to ensure that the subwoofer output is turned on and
that the speakers are set to “Small”in each mode.
Power On
Plug your Modulus subwoofer’sAC cord into a wall outlet.Do not use
the outlets on the back of the receiver.
Initially set the subwoofer’s Gain Control
to the “O”position.
Turn on your sub by flipping the Power Switch
on the rear panel
to the ON position.
Auto On/Standby
With the Power Switch
in the ON position,the Gain Control
on the front panel will remain backlit 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
approximately 10 minutes when no signal is detected from your
system.The subwoofer 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
during
extended periods of non-operation:e.g.,when you are away on
vacation.
Adjust Gain
Turn on your entire audio system and start a CD or movie sound-
track at a moderate level.Turn your subwoofer’s Gain Control
up to the “5”position (half way).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 Button
been
pressed to the “On”position? (Note:The Gain Control
on the
front panel will turn green when the power is on.) Once you have
confirmed that the subwoofer is active,proceed by playing a
sound source.Use a selection that has ample bass information.
Set the overall volume control of the preamplifier or stereo to a
comfortable level.Adjust the subwoofer’s Gain Control
until
you obtain a pleasing blend of bass.Bass response should not
overpower the room but rather be adjusted so there is a
harmonious blend across the entire musical 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 is 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.
Final Positioning
After correctly connecting the Modulus system and verifying that
both the subwoofer and all satellite speakers are playing,it is
time to optimize the system for your particular listening room.
Earlier,you placed the subwoofer in its general location.Finding
the exact location for optimum performance sometimes only
involves moving the speakers up to a few inches in any direction.
We urge you,therefore,to experiment with placement,if possible,
until your speakers deliver their full potential.
O
PERATION
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