Jbl-synthesis SDP-25 Manuel d'utilisateur télécharger pdf (Page 14)

JBL SYNTHESIS SDP-25

SPEAKER LEVEL

Before making any Speaker Level adjustments, first set the volume to a comfortable listening

level using a movie or musical selection you are familiar with, then use the Auto setting to make

certain that the speakers are properly connected. To do that, first navigate the highlight so

that the Test Signal Options appear. Then press the down Navigation button so that Auto is

highlighted and press Enter.

Speaker Level

Test Signal Off

Front Left 0 dB

Center 0 dB

Front Right 0 dB

Side Left 0 dB

Side Right 0 dB

Rear Left 0 dB

Rear Right 0 dB

Height Left None

Height Right None

Subwoofer 0 dB

Back

Speaker Level

Test Signal Test Signal

Front Left Off

Center Manual

Front Right Auto

Side Left

Side Right

Rear Left

Rear Right

Height Left

Height Right

Subwoofer

Back

The on-screen menu will return to showing the output level settings and a test noise will circulate

around the room. As the highlight moves from one speaker location name to another verify that

the test noise is coming from the speaker name shown. If all speakers are properly connected,

proceed to adjust the levels. If the test tone for any highlighted speaker location does not

match the speaker the test noise is coming from, turn off your SDP and amplifiers and change

the wiring so that the speakers are connected properly. When this is done turn the SDP and

amplifiers back on and repeat the Auto test cycle to make confirm that the connections are

made correctly.

When all speaker positions have been verified the levels may then be adjusted.

It is essential that you adjust the level so that the output of each channel is identical as shown on

a sound pressure level meter or by using any of the “SPL Meter” apps available for smartphones or

tablets. When setting the levels make certain that the meter or app is set to display C-Weight/Slow.

Speaker Setup

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Jbl-synthesis SDP-25 Manuel d'utilisateur Page 14

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