User Manual - Pro Audio & Television
Contents
1. 4 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 e passive PA speakers together with an power amplifier 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 CH UN DELAY m DELLA ms DELANY X X X fit 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 DELAY DELAY 0 0 m gt 330 0 m Main PA e Test tone mode for setting the correct delay t2. User Manual DDM Digital Delay Module for CSA 400 D QSA 200 D QSA 500 D i r fa fa DIGITAL DELAY MODULE VALUE CLEAR DISPLAY m ms ft DELAY MODE CALIBRATION INT 1 OFF 2 on e 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 e Remove all cables especially the power cord from the CSA 400 D e 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 e remove the multipin cable from the blind plate carefully e 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 e After connecting the multipin cable to the socket carefully fit the module in the speakers extension slot and Se fix it using the 4 screws removed earlier Now you can use your self powered speaker together with the plug i
3. h systems as necessary ew Jenn EJ E Klingenthaler Musikelektronik GmbH Auerbacher Stra e 268 08248 Klingenthal Germany phone 49 0 37467 558 0 fax 49 0 37467 558 33 www kme sound com service kme sound com Technical State February 2005 The content corresponds to the state at printing Subject to technical alterations Misprints and errors expected Feb 2005 SL
4. ime 6 Delay Line ng A BIN O l A UN SFY YY zE o o 7 9 o o o o o o o Q uu o Q 0 0 The implemented test tone generator is a useful tool which can help you setting the correct delay time 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 e 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 e 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 adiustment 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 bot
5. n extension Hardware overview DDM DIGITAL DELAY MODULE AY U m DEL 330 VALUE iz nu DISPLAY m ms ft DELAY MODE CALIBRATION TONE SIGNAL 00 000 OUTPUT o 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 svvitch meters Milliseconds feet 5 functional mode switch internal external 6 test tone svvitch on off 7 balanced audio input on DDM 8 balanced audio output on DDM 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 Main PA External Mode
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