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

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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:

s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.

I f 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.

CROSSOVER

50 (Hz) 200

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