K.M.E. CSA 400 D Manual de usuario

User Manual

DDM

Digital Delay Module

for CSA 400 D, QSA 200 D, QSA 500 D

0.) Preface

Thank you for using a K.M.E. product. Inside this manual you will find useful

information for having a long and safe work with your equipment. Please take

enough time reading this manual to get in touch with all technical details of your

new product. Your K.M.E. dealer and the K.M.E. technical department is glad to

give you additional support if needed.

1.) Adding Plug-In-Modules to the CSA 400 D

• Remove all cables, especially the power cord, from the

CSA 400 D.

• Remove the 4 screws holding the blind plate on the rear

side of the CSA 400 D. Pull out the blind plate carefully

without overstretching the multipin cable mounted to the

plate.

• remove the multipin cable from the blind plate carefully

• Take the DDM and plug in the multipin cable to the white

socket. Take care of the polarity. The connector only fits in

one direction. Do not use tools or force to connect it. The

remaining red wire is not used by the DDM. You can stuff

it back into the CSA 400 D.

• After connecting the multipin cable to the socket

carefully fit the module in the speakers extension slot and

fix it using the 4 screws removed earlier. Now you can use

your self-powered speaker together with the plug-in

extension.

Hardware overview

1 – LCD display showing delay time / delay unit

2 – minus key – decreases delay time by one unit

3 – plus key – increases delay time by one unit

4 – unit selector switch (meters / Milliseconds / feet)

5 – functional mode switch (internal / external)

6 – test tone switch (on / off)

7 – balanced audio input on DDM

8 – balanced audio output on DDM

DIGITAL DELAY MODULE

DDM

INPUT OUTPUT

CLEAR

VALUE

CALIBRATION

OFF

TONE SIGNAL

INT EXT

DELAY MODE

DISPLAY m / ms / ft

330.0 m

DELAY

2.) Operation

a) Audio signal connection [7], [8]

To be able to use delay functionality you have to use the audio input on the

DDM [7]. The line out on the speaker system leads the audio signal

reproduced by the internal speakers for connecting equipment like self-

powered bass systems. The line out on the DDM leads, depending to the

operation mode selected (internal/ external) either the un-delayed or delayed

signal. You can connect other equipment like self- powered speakers or

amplifiers together with passive speaker systems.

b) Functional mode switch [5]

Internal Mode

PLUG

0 ... 330 m

PLUG

Main PA Delay Line

External Mode

PLUG

0 ... 330m

PLUG

Main PA Delay Line

The ‘external’ mode supplies the delayed audio signal on the DDMs line-out.

The speaker itself works without delay. This mode was created for users which

want to use i.e. passive PA speakers together with an power ampIifier as

delay systems.

c) Unit selector switch [4]

The DDM will calculate the correct delay time for you by just entering the

acoustical distance in meters or feet.

Bring the switch to the position you want to use. The DDM asks you ‘CHANGE

UNIT?’ – if you really want to change the unit you have to press both keys (+

and -) together for more than one second. The DDM now works with a new

delay unit.

CHANGE

UNIT?

d) Delay time setting [2], [3]

The delay time needed can be set easily by pressing the plus or

minus key. Holding the keys increases or decreases the value by

larger amounts. It is possible to adjust the delay distance by 0,1 m

(10 cm) within an range of 330 m (or by 1 ms or by 1 ft) which should

be ideal for all sound reinforcement applications.

330.0 m

DELAY

0.0 m

DELAY

e) Test tone mode for setting the correct delay time [6]

The implemented test-tone generator is a useful tool which can help

you setting the correct delay time.

0 ... 330 m

PLUG

Main PA

Delay Line

X m

DELAY

X ms

DELAY

X ft

DELAY

Example:

Main PA system could be a K.M.E. CA 6, both top units CSA 400 D are equipped

with DDM modules. Both modules are switched to ‘external’ operation mode

In the delay speaker positions work two additional K.M.E. CSA 400 D

You will need the following cable connections:

• 1 balanced audio line (XLR) running from Line-Out [8] on the DDM

to the Line-In of the CSA 400 D at the delay position

• mains power line to the CSA 400 D at the delay position

1.) Set the unit on the DDM to ‘meters’ [4]

2.) Set the DDM to „EXTERNAL“ operation mode [5]

3.) Set the estimated delay distance [3], [2]

4.) Turn DOWN the volume of BOTH CSA 400 D

5.) Activate the test tone function [6]

6.) Turn up the volume on the main PA until the test tone is audible at the position

of the delay speaker. Turn up the volume on the delay speaker until you hear

the signal in the same sound pressure level than the signal from the main PA

7.) Fine-adjustment of the delay time (distance) using + / - keys [3], [2], until only

one sound pulse (without “echo”) is audible – ready.

8.) Turn off test tone [6] and turn up the volume of both systems as necessary.

9.)

Klingenthaler Musikelektronik GmbH

Auerbacher Straße 268

08248 Klingenthal / Germany

phone +49 (0)37467 - 558-0

fax +49 (0)37467 - 558-33

www.kme-sound.com

[email protected]

Technical State February 2005.

The content corresponds to the state at printing. Subject to technical alterations. Misprints and errors expected.

Feb 2005 / SL

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