Bedienungsanleitung JBL CINEMA SOUND CS 46 (Seite 8 von 10) (Englisch)

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OPERATION

Surround Modes

If using the CS46 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 to the“MIN” position.

Turn on the subwoofer 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/Standby

With the Power Switch in the ON position, the LED on the rear

panel will remain lit in green or red to indicate the On or 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 for extended periods of

nonoperation, e.g., when you are away on vacation.

Adjust Level

Turn the Subwoofer-Level Control 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

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 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.

Phase Control

The Phase Switch 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

After correctly connecting the CS46 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.

31103_CS46_OM_Eng 17/11/06 6:56 Side 8

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