ORDERCODE D1931
Contents
1. ACU 2 ORDERCODE D1931 SHOWELECTRONICS FOR PROFESSIONALS Congratulations You have bought a great innovative product from DAP Audio The DAP Audio ACU 2 brings excitement to any venue Whether you want simple plug amp play action or a sophisticated show this product provides the effect you need You can rely on DAP Audio for more excellent audio products We design and manufacture professional audio equipment for the entertainment industry New products are being launched regularly We work hard to keep you our customer satisfied For more information iwant dap audio info You can get some of the best quality best priced products on the market from DAP Audio So next time turn to DAP Audio for more great audio equipment Always get the best with DAP Audio Thank you DAP Audio DAP Audio ACU 2 Product Guide Warning CEI IR TI ARIA Ce DS IU ONG aerea OpeligelindDegemiidlons ass iii dii ea A EE DESCUIDO Ad ea ale OVEIVIEN Front Side iii alal ela iii OVENVIEW Back sidra b bike Da b Ab Sat aaa aaa Installation a Me ET ba dans lack beer aa Set Up and Operation i Connector Cables ES ee Mate Ia l te La Te FI a i i a idda G a bii A Produci Specifications iia di ARA AAA ne WARNING CAUTION Keep this system away from rain and moisture FOR YOUR OWN SAFETY PLEASE READ THIS USER MANUAL CAREFULLY BEFORE YOUR INITIAL START UP SAFETY INST2. RUCTIONS Every person involved with the installation operation and maintenance of this system has to be qualified follow the instructions of this manual CAUTION Be careful with your operations With a dangerous voltage you can suffer a dangerous electric shock when touching the wires Before you initial start up please make sure that there is no damage caused by transportation Should there be any consult your dealer and do not use the system To maintain perfect condition and to ensure a safe operation it is absolutely necessary for the user to follow the safety instructions and warning notes written in this manual Please consider that damages caused by manual modifications to the system are not subject to warranty This system contains no user serviceable parts Refer servicing to qualified technicians only IMPORTANT The manufacturer will not accept liability for any resulting damages caused by the non observance of this manual or any unauthorized modification to the system e Never let the power cord come into contact with other cables Handle the power cord and alll connections with the mains with particular caution Never remove warning or informative labels from the unit Never use anything to cover the ground contact Do not connect this system to a dimmerpack Do not switch the system on and off in short intervals as this would reduce the system s life Do not run the output of any amplifier channel back i
3. c connection must be carried out by a qualified technician WARRANTY Till one year after date of purchase OPERATING DETERMINATIONS If this system is operated in any other way than the one described in this manual the product may suffer damages and the warranty becomes void Any other operation may lead to dangers like short circuit burns electric shock etc You endanger your own safety and the safety of others Improper installation can cause serious damage to people and property Description of the device Features The ACU 2 is a professional connection unit e 2x XLR line in e 2x XLR line out e Speakon connectors for Low Mid High and bi amping operation Overview 8 TEMI A JUS AUDIO ib 1 Power Input AC Power 230V 50Hz 16A 2 System Input 3 Line Output 4 Output Channel A 5 Output ChannelB 6 7 8 9 6 L R Hi amp output 8 Crossover input XLR 7 L R LO amp output 9 Power cable Installation Remove all packing materials from the ACU 2 Check that all foam and plastic padding is removed Screw the equipment into a 19 rack Connect all cables Always disconnect from electric mains power supply before cleaning or servicing Damages caused by non observance are not subject to warranty Set Up and Operation Before plugging the unit in always make sure that the power supply matches the product specification voltage Do not attempt to operate a 120V specification pr
4. nto another channel s input Do not connect parallel or series an amplifier output with any other amplifier output Only use system indoor avoid contact with water or other liquids Avoid flames and do not put close to flammable liquids or gases Always disconnect power from the mains when system is not used Only handle the power cord by the plug Never pull out the plug by tugging the power cord Make sure you don t use the wrong kind of cables or defective cables e Make sure that the available voltage is not higher than stated on the rear panel e Make sure that the power cord is never crimped or damaged Check the system and the power cord from time to time e Avoid flames and do not put close to flammable liquids or gases e Before switching on or off make certain the sound system s amplifiers are off or turned down this will avoid signal peaks which are annoying and sometimes dangerous particularly for soeaker enclosures Avoid installing your equipment very near radio or TV sets mobile phones etc as these can cause RF radio frequency interference When connecting the other parts of your sound system watch out for the so called ground loops To avoid or solve hum and buzzing troubles try different combinations of lifting grounds on units that are supplied with ground lift switches or make sure all chassis are connected to earth ground either through the A C power cord ground or by the front panel rack mount screw
5. oduct on 240V power or vice versa Install this device on a flat surface not bending or curved Do not supply power before all components of the system are set up and connected properly uj eur mo eur uo2118MOd NOEZ non gt U p IH 07 ALVY v 7 o rg 3 gt Os gt br oz lt O co cao o lt 33 2 co g w w ma 5 gt lt lt 5 w v o 3 ni gt Pr 6 23 lt 5 2 83 g e w E to lt CE o a S00p oe uoopuem Connection Cables In this chapter you ll find the wiring diagrams for the connectors to be used with your Signal Distributor Take care of the connector cables always holding them by the connectors and avoiding knots and twists when coiling them This gives the advantage of increasing their life and reliability which is always to your advantage Periodically check that your cables are in good condition that they are correctly wired and that all their contacts are perfectly efficient a great number of problems faulty contacts ground hum discharges etc are caused entirely by using unsuitable or faulty cables Balanced XLR M Balanced XLR F XX A e 10 L SIGNAL XLR F JACK unbalanced link SIGNAL XLR plug XLR socket 1 Ground 1 Ground 2 Signal 2 Signal 3 Signal 3 Signal Maintenance The ACU 2 Signal Distributor requires almost no maintenance However you should keep
6. s Before changing your grounds around always turn your amplifiers down Keep this user s manual for future consultation Also remember that the device will get a better price on the secondhand market if as well as being in good condition it has its original documentation and packaging Always operate the unit with the AC ground wire connected to the electrical system ground Do not drive the inputs with a signal level bigger than required to drive the equipment to full output In system setup the amplifier s output power must be 50 100 more than the loaded loudspeakers rated power Please turn off the power switch when changing the power cord or signal cable or select the input mode switch Prevent distortion Make sure that all components connected to the ACU 2 have sufficient power ratings Otherwise distortion will be generated because the components are operated at their limits Avoid ground loops Always be sure to connect the power amps and the mixing console to the same electrical circuit to ensure the same phase If system is dropped or struck disconnect mains power supply immediately Have a qualified engineer inspect for safety before operating If the system has been exposed to drastic temperature fluctuation e g after transportation do not switch it on immediately The arising condensation water might damage your system Leave the system switched off until it has reached room temperature Repairs servicing and electri
7. the unit clean Disconnect the mains power supply and then wipe the cover with a damp cloth Do not immerse in liquid Keep connections clean Disconnect electric power and then wipe the audio connections with a damp cloth Make sure connections are thoroughly dry before linking equipment or supplying electric power Troubleshooting Dap Audio ACU 2 This troubleshooting guide is meant to help solve simple problems If a problem occurs carry out the steps below in sequence until a solution is found Once the unit operates properly do not carry out following steps 1 If the device does not operate properly unplug the device 2 Check the power from the wall all cables etc 3 If all of the above appears to be O K plug the unit in again 4 If you are unable to determine the cause of the problem do not open the Signal Distributor as this may damage the unit and the warranty will become void 5 Return the Signal Distributor to your Dap Audio dealer Product Specifications Model DAP Audio ACU 2 Power cable 1 5m HO5VVF 3G1 5mm European cable Microphone Cable symmetric audio cable with XLR connector Speakercable 2 x 2 5mm copper diameter outer diameter 8mm Mounting 19 rack mount 1U Dimensions 483 x 70 x 44 5 mm LxWxH Weight 1 76 kg Design and product specifications are subject to change without prior notice CE DAP AUDIO 2007 DapAudio
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