Bedienungsanleitung JBL Cinema 500 (Seite 7 von 8) (Englisch)

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ENGLISH

OPERATING THE SUBWOOFER

TURNING THE SUBWOOFER ON AND OFF

Set the subwoofer’s Power Switch to the “On” position.

If the subwoofer’s Power-On Mode Switch is set to “Auto,” the subwoofer •

will automatically turn itself on when it receives an audio signal, and it will

go into Standby mode after it has received no audio signal for 20 minutes.

The subwoofer’s LED will glow green when the subwoofer is on and will

glow red when the subwoofer is in Standby.

If the Power-On Mode Switch is set to “On,” the subwoofer will remain on •

at all times. The subwoofer’s LED will glow green.

If you will not be using the subwoofer for an extended period – for instance,

if you’re going on vacation – set the Power Switch to the “Off” position.

SUBWOOFER ADJUSTMENTS: CROSSOVER CONTROL

NOTE: The Crossover Control functions only when

you are using the Line-Level In L/R Connectors. The

Line-Level In LFE Connector bypasses the subwoofer’s

built-in crossover and the Crossover Control.

The Crossover Control adjusts the subwoofer’s built-in

crossover between 50Hz and 200Hz. The higher you

set the Crossover Control, the higher in frequency

the subwoofer will operate and the more its bass will

“overlap” that of the satellite speakers. This adjustment

helps achieve a smooth transition of bass frequencies between the

subwoofer and the satellites for a variety of different rooms and subwoofer

locations.

To set the Crossover Control, listen for the smoothness of the bass. If the

bass seems too strong at certain frequencies, try a lower Crossover Control

setting. If the bass seems too weak at certain frequencies, try a higher

Crossover Control setting.

SUBWOOFER ADJUSTMENTS: VOLUME

Use the Subwoofer Level Control to set the subwoofer’s

volume. Turn the knob clockwise to increase the

subwoofer’s volume; turn the knob counterclockwise

to decrease the volume. Once you have balanced the

subwoofer’s volume with that of the other speakers in

your system, you shouldn’t have to change it.

Notes on Setting Subwoofer Volume:

Sometimes the ideal subwoofer volume setting for •

music is too loud for films, while the ideal setting

for films is too quiet for music. When setting the

subwoofer volume, listen to both music and films with strong bass content

and find a “middle ground” volume level that works for both.

If your subwoofer always seems too loud or too quiet, you may want to •

place it in

a different location. Placing the subwoofer in a corner will always tend to

increase its bass output, while placing it away from any walls or corners

will always tend to lessen its bass output.

SUBWOOFER ADJUSTMENTS: PHASE

The Phase Switch determines whether

the subwoofer driver’s piston-like action

moves in and out in phase with the satellite

speakers. If the subwoofer were to play

out of phase with the satellite speakers,

the sound waves from the satellites could

partially cancel out the waves from the

subwoofer, reducing bass performance and

sonic impact. This phenomenon depends in part on the placement of all the

speakers relative to each other in the room.

Although in most cases you should leave the Phase Switch in the “Normal”

position, there is no absolutely correct setting for the Phase Switch. When

the subwoofer is properly in phase with the satellite speakers, the sound will

be clearer and have maximum impact, and percussive sounds like drums,

piano and plucked strings will sound more lifelike. The best way to set the

Phase Switch is to listen to music that you know well and to set the switch in

the position that gives drums and other percussive sounds maximum impact.

0234CSK - JBL Cinema 500 Quick Start ENG.indd 9 05/10/10 12:29:21

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