Manual JBL CINEMA VISION CVSUB50 (page 10 of 12) (English)

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SUBWOOFER OPERATION

Press the Master Power

switch (marked “Power” å)

in to the On position to use

the subwoofer. The CVSUB50

subwoofer will automatically

turn on or go into standby

(sleep) mode as described

below. When your receiver

or amplifier is off, or is not

sending program material to

the subwoofer, the sub-

woofer will be in standby

mode (LED on front of

CVSUB50 will be red). When

the sub

woofer senses an

audio signal,

it will automati-

cally turn on (LED will be

green). If the subwoofer

does not sense a signal after

approximately 20 minutes,

will automatically go into

standby mode.

If you will be away from

home for an extended period

of time, or if the subwoofer

will not be used, switch the

Master Power switch åto

the Off position by pressing

it until it pops out.

VOLUME

∫

Volume may be adjusted

using the Subwoofer Level

control ∫as shown.

The Phase Control deter-

mines whether the sub-

woofer’s piston-like action

moves in and out in phase

with the main speakers or

opposite the main speakers.

There is no correct or incor-

rect setting. Proper phase

adjustment depends on sev-

eral variables, such as sub-

woofer placement and lis-

tener position. Adjust the

Phase Switch çto maxi-

mize bass output at the

listening position.

Remember, every system,

room and listener is differ-

ent. There are no right or

wrong settings; this switch

offers the added flexibility to

adjust your subwoofer for

optimum performance for

your specific listening condi-

tions without having to move

your speakers. If at some

time in the future you hap-

pen to rearrange your listen-

ing room and move your

speakers, you should experi-

ment with the phase switch

in both positions, and leave it

in the position that maxi-

mizes bass performance.

MIN MAX

Subwoofer

Level

MIN MAX

Subwoofer

Level

CV OM 5/14/04 3:06 PM Page 10

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JBL CINEMA VISION CVSUB50 Manual

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