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O
PERATION
S
urround Modes
When using the CS6100 speakers in a Dolby Digital or DTS home
theater system, make sure all speakers are set to “Small”. In a
Dolby Pro Logic
®
home theater system, make sure the receiver’s
center channel mode is set to “Normal.”
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
i
nstructions 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
ᕥ to the“MIN” position.
Turn on the subwoofer by pressing the Power Switch
ᕦ on the
rear panel.
T
urn on your entire audio system and start a CD or movie soundtrack
at a moderate level.
Auto On/Standby
With the Power Switch ᕦ in the ON position, the LED on the rear
panel
ᕤ will remain lit in green or red to indicate the ONor 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
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
T
urn the Subwoofer
-Level Control
ᕥ up about halfway
. 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 ᕥ 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 never obtrusive.
P
hase Control
The Phase Switch ᕡ determines whether the subwoofer speaker’s
pistonlike 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
A
fter correctly connecting the CS6100 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.
A Few Suggestions
We recommend that you do not operate your speakers or subwoofer
with the bass, treble and loudness controls set to full boost. This
will place undue strain on your electronics and speakers, and could
damage them.
The volume control setting on your processor/preamp or receiver is
not a specific indication of the overall loudness level of the speakers.
The only important consideration is the loudness level at which the
system can be played, regardless of where the volume control is set.
Always turn down the volume control setting on your processor/preamp
or receiver when changing sources, or switching inputs to AM or FM
operation. Excessively loud transients (clicks or popping sounds) can
damage the satellite speakers and possibly the subwoofer.
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 system ever needs service, contact your
local
JBL dealer or distributor, or visit www.jbl.com
for a service center
near you.
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