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6
OPERATION
Surround Modes
When using the TSS-750 in a Dolby Pro Logic* home theater
system, make sure the receiver’s center channel mode is set to
“Normal.”When using the system in a Dolby Digital or DTS home
theater system, make sure all speakers 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 subwoofer’s AC cord into a wall outlet. Do not use the outlets
on the back of the receiver.
Initially set the Subwoofer Level Control
ᕡ
to the“MIN”position.
Turn on the subwoofer by pressing the Power Switch
ᕦ
on the
rear panel.
Turn on your entire audio system and start a CD or movie
sound-track at a moderate level.
Auto On/Stand-By
With the Power Switch
ᕦ
in the ON position, the LED on the front
panel will remain lit in red or green to indicate the On/Stand-By
mode of the subwoofer.
RED = STAND-BY (No signal detected,Amp Off)
GREEN = ON (Signal detected,Amp On)
The subwoofer will automatically enter the Stand-By 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
ᕦ
can be left on.You may turn off the Power Switch
ᕦ
for extended
periods of nonoperation, e.g., when you are away on vacation.
Adjust Level
Turn the Subwoofer Level Control
ᕡ
up about 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 Switch
ᕦ
been pressed to the “On”position? Once you have confirmed
that the subwoofer is active, proceed by playing a CD or DVD.
Use a selection that has ample bass information.
Set the overall volume control of the receiver/processor to a
comfortable level.Adjust the Subwoofer Level Control
ᕡ
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 sub-
woofer so its impact on bass response is always there but never
obtrusive.
TSS-750
Crossover Adjustment
The Crossover Frequency Control ᕤ determines the highest
frequency at which the subwoofer reproduces sounds. For the
TSS-750, it is recommended that this control be set at 120Hz
(approximately the 3 o’clock position).
NOTE: This control will have no effect if the LFE/Normal Switch ᕢ
is set to LFE. If you have a Dolby Digital or DTS receiver/ processor,
the Low-Pass Frequency is set by the receiver/ processor. Set the
LFE/Normal Switch ᕢ on the subwoofer to LFE. Consult your
owner’s manual to learn how to view or change this setting.
A setting of 120Hz – 150Hz is recommended.
Phase Control
The Phase Switch ᕣ 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 TSS-750 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 centimeters in any direction.We urge
you, therefore, to experiment with placement, if possible, until your
speakers deliver their full potential.
MAINTENANCE AND SERVICE
The satellite and subwoofer enclosures 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
periodically.The frequency of maintenance depends on the metals
involved in the connections, atmospheric conditions, and other
factors, but once per year is the minimum.
In the event that your TSS-750 ever needs service, contact your
local Infinity dealer or distributor.