Roland DS-50A User's Manual
Contents
1. Please also refer to Placement in IMPORTANT NOTES p 5 Using Two DS 50A Monitors for Stereo Sound Example for Example for Using Analog Input Connectors Using Digital Input Connectors TIP a stlecr tect SELECT mi A LA m 8 git en l ASSIGN LL coaxar DIGITAL INPUT 8 ASSIGN OPTICAL DIGITAL INPUT ji co COAXIAL DIGITAL OUT DIGITAL IN COAXIAL C a THRU DIGITAL OUT sl sfe Recording Equipment etc COAXIAL Mixer etc DIGITAL OUT o ooo an L cp player MD Player etc g O OPTICAL Connection Examples Using As a Reference Monitor for the V Studio or V Mixer The DS 50A supports the Speaker Modeling function that is included in the Roland V studio VS series and V mixer VM series NOTE 2 What s Speaker Modeling e Please be aware that not all VS VM series units are capable of providing speaker modeling Before making This feature uses digital signal processing to model the your purchase you should confirm that the unit you changes in sound quality produced by a particular speaker are considering does indeed provide the features you during audio output This lets you use one type of monitor d sire speaker to emulate speakers from other manufacturers and ire aT gt 4 2 ev2. VENEZUELA Musicland Digital C A Av Francisco de Miranda Centro Parque de Cristal Nivel C2 Local 20 Caracas VENEZUELA TEL 02 285 9218 AUSTRIA Roland Austria GES M B H Siemensstrasse 4 P O Box 74 A 6063 RUM AUSTRIA TEL 0512 26 44 260 BELGIUM HOLLAND LUXEMBOURG Roland Benelux N V Houtstraat 3 B 2260 Oevel Westerlo BELGIUM TEL 014 575811 DENMARK Roland Scandinavia A S Nordhavnsvej 7 Postbox 880 DK 2100 Copenhagen DENMARK TEL 039 16 6200 FRANCE Roland France SA 4 Rue Paul Henri SPAAK Parc de l Esplanade F 77 462 St Thibault Lagny Cedex FRANCE TEL 01 600 73 500 FINLAND Roland Scandinavia As Filial Finland Lauttasaarentie 54 B Fin 00201 Helsinki FINLAND TEL 9 682 4020 GERMANY Roland Elektronische Musikinstrumente HmbH Oststrasse 96 22844 Norderstedt GERMANY TEL 040 52 60090 GREECE STOLLAS S A Music Sound Light 155 New National Road 26422 Patras GREECE TEL 061 435400 HUNGARY Intermusica Ltd Warehouse Area DEPO P 83 H 2046 Torokbalint HUNGARY TEL 23 511011 IRELAND Roland Ireland Audio House Belmont Court Donnybrook Dublin 4 Republic of IRELAND TEL 01 2603501 ITALY Roland Italy S p A Viale delle Industrie 8 20020 Arese Milano ITALY TEL 02 937 78300 NORWAY Roland Scandinavia Avd Kontor Norge Lilleakerveien 2 Postboks 95 Lilleaker N 0216 Oslo NORWAY TEL 273 0074 POLAND P P H Brzosto
3. listed on the Information page CAUTION Never climb on top of nor place heavy objects on the unit Never handle the power cord or its plugs with wet hands when plugging into or unplugging from an outlet or this unit Before moving the unit disconnect the power plug from the outlet and pull out all cords from external devices Before cleaning the unit turn off the power and unplug the power cord from the outlet Mainte nance p 5 A CAUTION e The unit should be located so that its location or position does not interfere with its proper venti lation e Whenever you suspect the possibility of lightning in your area pull the plug on the power cord out of iS the outlet e Should you remove the optical connector caps make sure to put them in a safe place out of Q children s reach so there is no chance of them being swallowed accidentally e Always grasp only the plug on the power supply cord when plugging into or unplugging from an amp outlet or this unit e Try to prevent cords and cables from becoming entangled Also all cords and cables should be placed so they are out of the reach of children Contents USING THE UNIT SAFELY cciccccetes cecectneticsd ie cetrrerecercnsiad eeesaeuanenebecseveeesta IMPORTANT NOTES wisccsiaccceciesauces anaa aeaa aaa aaeanoa raa aa ataid a naaa addaa iadt Names of Things and What They DO sssssssssssssnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nna oo ao Q Connection
4. Mt Eden Auckland 3 NEW ZEALAND TEL 09 3098 715 CEN TRAL LATIN AMERICA ARGENTINA Instrumentos Musicales S A Florida 656 2nd Floor Office Number 206A Buenos Aires ARGENTINA CP1005 TEL 54 11 4 393 6057 BRAZIL Roland Brasil Ltda R Coronel Octaviano da Silveira 203 05522 010 Sao Paulo BRAZIL TEL 011 3743 9377 COSTA RICA JUAN Bansbach Instrumentos Musicales Ave 1 Calle 11 Apartado 10237 San Jose COSTA RICA TEL 506 258 0211 CHILE Comercial Fancy S A Avenida Rancagua 0330 Providencia Santiago CHILE TEL 56 2 373 9100 EL SALVADOR OMNI MUSIC 75 Avenida Notre YY Alameda Juan Pablo 2 No 4010 San Salvador EL SALVADOR TEL 503 262 0788 MEXICO Casa Veerkamp s a de c v Av Toluca No 323 Col Olivar de los Padres 01780 Mexico D F MEXICO TEL 525 668 04 80 La Casa Wagner de Guadalajara s a de c v Av Corona No 202 S J Guadalajara Jalisco Mexico C P 44100 MEXICO TEL 3 613 1414 Roland Corporation PANAMA SUPRO MUNDIAL S A Boulevard Andrews Albrook Panama City REP DE PANAMA TEL 507 315 0101 PARAGUAY Distribuidora De Instrumentos Musicales J E Olear y ESQ Manduvira Edeficio El Dorado Planta Baja Asuncion PARAGUAY TEL 595 21 492147 PERU VIDEO Broadcast S A Portinari 199 ESQ HALS San Borja Lima 41 REP OF PERU TEL 51 14 758226 URUGUAY Todo Musica S A Cuareim 1844 Montevideo URUGUAY TEL 5982 924 2335
5. is no sound or if the unit does not operate as you expect please check the following points first If this does not resolve the problem contact the nearest Roland service center or authorized Roland distributor There s No Sound Make sure the Input Level control has not been turned fully counterclockwise Make sure the Input Select switch has been set to the connector where the input signal is connected Digital Input or Analog Input Make sure the Digital Input select switch has been set to the connector where the input signal is connected Optical or Coaxial Input a digital signal to the Digital Input connector No sound is produced when an analog signal is input Specifications System 2 Way Bi Amplified Monitor Enclosure Bass reflex type Cabinet 1 2 MDF Baffle 3 4 MDF LF Driver 120 mm 5 Foamed polypropylene cone type magnetically shielded HF Driver 19 mm 3 4 soft dome type magnetically shielded Frequency Response 68 Hz to 22 kHz 3dB Crossover Frequency 2 3 kHz active third order Dimensions 197 7 3 4 312 12 1 4 The volume level of the instrument connected to ANALOG INPUT is too low Could you be using a connection cable that contains a resistor resistor Use a connection cable that does not contain a During Digital Signal Input the Stereo Image Is Reversed or Sounds Unnatural or Output Doesn t Sound Like Stereo Check the
6. of any kind water soft drinks etc to penetrate the unit OAN e Damp e g baths washrooms on wet floors or Ng are e Humid or are e In households with small children an adult should e Exposed to rain or are provide supervision until the child is capable of l i following all the rules essential for the safe e Dusty or are y operation of the unit e Subject to high levels of vibration Pere re eee eee eee eee eee eee ee eee eee eee eee errr reer eer eee eee ree reer er eee rere eee eee ere reer reer eee eee errr ee e Protect the unit from strong impact f e Make sure you always have the unit placed so it is Do not drop it level and sure to remain stable Never place it on stands that could wobble or on inclined surfaces e The unit should be connected to a power supply only of the type described in the operating instruc tions or as marked on the unit Do not force the unit s power supply cord to share an outlet with an unreasonable number of other devices Be especially careful when using extension cords the total power used by all devices you have connected to the extension cord s outlet must never exceed the power rating watts amperes for the extension cord Excessive loads can cause the insulation on the cord to heat up and eventually melt through Before using the unit in a foreign country consult with your retailer the nearest Roland Service Center or an authorized Roland distributor as
7. setting of the Assign switch Right L R or Left The DS 50A uses an identical construction for the left and right monitors and makes no distinction between left and right During digital signal input set the Assign switch L or R as appropriate for your setup LF Amplifier Power 30 W HF Amplifier Power 20 W ooo Analog in POSSOSOOOOSOOOOOOOOOOOOOD lnput Sensitivity 0 dBu 0 775 Vrms input Impedance 20k ohm Balanced Unbalanced PESOS E OOOOH OOSODOO HOO OOOOOHOOOOOOOOOOOOO OOD ooooe D Ig ital IN soccccccccccccoosooooooooos Format Conformity with S P DIF Sample Rate 32 kHz to 96 kHz de emphasis OFF D A Converter 24 bit POPOSOOSOSO SOO OO SHS OO OO OHO OOOO OO OOOOOOOOOOOOOD 261 10 1 4 267 10 1 2 Not include the Power cord Conitrols LEVEL Knob LF TRIM Knob 80 Hz 3dB HF TRIM Knob 10 kHz 3dB INPUT SELECT SW Analog In Digital In ASSIGN SW Right L R Left DIGITAL INPUT SELECT SW Optical Coaxial POWER SW lndicators POWER DIGITAL IN Conneciors ANALOG INPUT XLR TRS PHONE Balanced Unbalanced DIGITAL INPUT Optical DIGITAL INPUT Coaxial DIGITAL THRU OUT Coaxial Power Supply AC117 V AC230 V or AC240 V Power Consumption 50 W Dimensions 197 W x 267 D x 312 H mm 7 3 4 W x 10 1 2 D x 12 1 4 H inches Weight 8 kg 17 Ibs 11 oz Accessories Owner s Manual Power cord In the interest of product improvement the s
8. B AMP MONITOR OS S0A OWNER S MANUAL Thank you for purchasing the Roland Bi Amp Monitor DS 50A Before using this unit carefully read the sections entitled IMPORTANT SAFETY INSTRUCTIONS p 2 USING THE UNIT SAFELY p 3 and IMPORTANT NOTES p 5 These sections provide important information concerning the proper operation of the unit Additionally in order to feel assured that you have gained a good grasp of every feature provided by your new unit this manual should be read in its entirety The manual should be saved and kept on hand as a convenient reference Main Features in Pursuit of High Sound Quality Anpiir 6 The DS 50A powered monitor uses a two way bi amplifier design to achieve high sound quality The monitor features a 120 mm LF Driver and a 19 mm soft dome HF Driver as speakers The amplification includes 30 watt and 20 watt amplifiers designed to achieve high sound quality Digital Input In addition to XLR and TRS phone analog input the DS 50A is provided with digital input connectors coaxial and optical that support 96 kHz sample rate and 24 bit digital audio Digitally input signals are reproduced faithfully through 24 bit D A conversion thus preventing noise or a drop in sound quality You can use the monitors with a wide variety of equipment and applications through selective use of the analog and digital settings Reproduction of a Variety of Speaker Sounds combination with t
9. Examples ccc cecccccci cs focccceeeeiccoscscctecdeiccest lineceedicclececiiace Important Notes on Placement zesire iriri e eeaeee a or aE a ei E rn aia a aa aeaaeai aiene 8 Precautions When Connecting and Turning on the Power cscccesccseesesesteneneesesteneteseeeecesesesesnanenes 8 Using Two DS 50A Monitors for Stereo Sound ssssesssssssssisrtssserttsssserttsrterstsntentesntesstentessseeteesstentet 8 Using As a Reference Monitor for the V Studio or V Mixer s ss ssssssssessssssssstsrtersterttesseertesstersessseestes 9 BILIK AN O Aa E EA E EE S E EEE EE tO Troubleshooting sprain e e a ea aeiaaeeo aea Tach aia aeri ae sa D ieee ea reaa e EN uggs 10 Specifications siseste sfis rengti ates secassasnstesegratsh Sedeo ianea Piae h Sors E ORAS AARE aaa Aaaa A ea edanean SAAE reS EERE a sasteacs 10 DIMENSIONS disie erir ii iei cues bes cass SUES bata das bee Sbeek asta eve Saia Sob atait Sas ghonte suet oeie d ero piati 10 Frequency Response ic s cc cccctssconsscsstbesnsrenonsesn cenina e beeta ao ge Eeen Ea oE EE EEE ene Ea Resesi iee 11 IMPORTANT NOTES In addition to the items listed under IMPORTANT SAFETY INSTRUCTIONS and USING THE UNIT SAFELY on pages 2 and 3 please read and observe the following Power Supply Do not use this unit on the same power circuit with any device that will generate line noise such as an electric motor or variable lighting system e Before connecting this unit to other dev
10. alked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer or table except as specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped For the U K IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE GREEN AND YELLOW EARTH BLUE NEUTRAL BROWN LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured GREEN AND YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol Qor coloured GREEN or GREEN AND YELLOW The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK The wire w
11. ate for your setup MEM With the DS 50A there is no difference between L and R When using the digital input connectors of two DS 50A monitors for stereo sound the digital signal can be input to either L or R Names of Things and What They Do 3 Input Select Switch Used to select Digital Input or Analog Input Select the connector used for the input signal 4 Thru Digital Out Connector When connecting multiple DS 50A monitors with digital signals this connector is used for output to the second DS 50A SZ Refer to Connection Examples p 8 9 5 Level Control This adjusts the input level Turning the control clockwise increases the sound from the speakers 6 HF Trim Control This adjusts the sound quality of the treble range 10 kHz 3 dB 7 LF Trim Control This adjusts the sound quality of the bass range 80 Hz 3 dB MEMO The LF Trim and HF Trim controls on the DS 50A are designed to correct the sound quality of the sonic field Use these to make fine adjustments to match the usage conditions 8 Power Switch This switch turns the power on off NOTE Before turning the power on or off you must lower the volume of this unit and your connected device etc e This unit is equipped with a protection circuit A brief interval a few seconds after power up is required before the unit will operate normally 9 AC Inlet Connect the included Power cord here Plug it firmly in so tha
12. cuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Unauthorized changes or modification to this system can void the users authority to operate this equipment This equipment requires shielded interface cables in order to meet FCC class B Limit For Canada NOTICE This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations AVIS Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Information When you need repair service call your nearest Roland Service Center or authorized Roland distributor in your country as shown below EGYPT Al Fanny Trading Office P O Box 2904 El Horrieh Heliopolos Cairo EGYPT TEL 02 4185531 REUNION Maison FO YAM Marcel 25 Rue Jules Merman ZL Chaudron BP79 97491 Ste Clotilde REUNION TEL 28 29 16 SOUTH AFRICA That Other Music Shop PTY Ltd 11 Melle Street Cnr Melle and Juta Street Braamfontein 2001 Republic of SOUTH AFRICA TEL 011 403 4105 Paul Bothner PTY Ltd 17 Werdmuller Centre Claremont 7700 Republic of SOUTH AFRICA P O Box 23032 Claremont Cape Town SOUTH AFRICA 7735 TEL 021 64 4030 CHINA Beijing Xinghai Musical Instruments Co Ltd 6 Huangmuchang Chao Yang District Beijing CHINA TEL 010 6774 7491 HONG KONG Tom Lee Music C
13. en the speakers from small household use television sets e Speaker Modeling is not possible using just the DS and other equipment You can use the DS 50A in combination 50A Take a look at the documentation for the VS VM with this to simulate the sound checks at mixdown which pene conventionally have required switching between multiple pairs of monitors set up to compare the sound Connection Example VS 890 DIGITAL IN COAXIAL a H INPUT THRU INPUT SELECT DIGITAL OUT a aay a 2 DIGITAL IN dal ae 8 COAXIAL amp L Sieira nPuT OPTICAL A DIGITAL INPUT COMMAY SISITAL OUT M e i It is also possible to connect to the Analog Input using analog cable a Select VS 890 MEM Tips about high sound quality playback e Please pay careful attention to the placement location In order to take full advantage of the low frequency playback capabilities of this device we recommend that you place it on a hard and strong base e When using digital in connections turn down the LEVEL knob of this device and raise the output level of the connected device This will take advantage of the full number of bits in the digital signal improving the audio quality Reference Troubleshooting If there
14. hat it came in if possible Otherwise you will need to use equivalent packaging materials e Use a cable from Roland to make the connection If using some other make of connection cable please note the following precautions e Some connection cables contain resistors Do not use cables that incorporate resistors for connecting to this unit The use of such cables can cause the sound level to be extremely low or impossible to hear For infor mation on cable specifications contact the manufac turer of the cable 5 Names of Things and What They Do Front HF Driver Do not touch the diaphragm LF Driver Do not touch the speaker cone Bass reflex Ducts These are conduits for rich bass range reproduction OPTICAL Power cord Digital In Indicator This lights up when output is received from a connected digital device or during standby Connect the digital signal output device set the Input Select switch to DIGITAL INPUT and set the Digital Input select switch according to the connector to which the device is attached Coaxial or Optical When the connected digital signal output device is not powered up the Digital In indicator does not light up Power Indicator Lights when power is on 1 Analog Input XLR TRS Phone Input Connector Analog Input This is for connecting XLR or TRS phone plugs XLR type SN Phone type
15. he VS or VM By connecting the Roland V Studio VS series or V Mixer VM series to the DS 50A and using Speaker Modeling Function of VS or VM the DS 50A can reproduce the sounds from a wide range of speakers ranging from the professional monitors from other manufacturers to the speaker in a small household television set You can use the DS 50A in combination with the V Studio or V Mixer to simulate the sound checks at mixdown which conventionally have required switching between multiple pairs of monitors set up to compare the sound Please be aware that not all VS VM series units are capable of providing Amplifier 30W speaker modeling Before making your purchase you should confirm that the unit you are considering does indeed provide the features you desire Copyright 2000 ROLAND CORPORATION All rights reserved No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION CAUTION DO NOT OPEN ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude
16. hich is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED USING THE UNIT SAFELY INSTRUCTIONS FOR THE PREVENTION OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS About WARNING and Z CAUTION Notices About the Symbols Used for instructions intended to alert the user to the risk of death or severe Z WARNING injury should the unit be used improperly Used for instructions intended to alert the user to the risk of injury or material damage should the unit be used improperly CAUTION Material damage refers to damage or other adverse effects caused with respect to the home and all its furnishings as well to domestic animals or pets The A symbol alerts the user to important instructions or warnings The specific meaning of the symbol is determined by the design contained within the triangle In the case of the symbol at left it is used for general cautions warnings or alerts to danger The symbol alerts the user to items that must never be carried out are forbidden The specific thing that must not be done is indicated by the design contained within the circle In the case of the symbol at left it means that the unit must never be disassembled The symbol alerts the user to things that must be carried out The specific thing that must be done is indicated by the design contained within the circle In the case of the symbol at left it means that the power cord p
17. ices turn off the power to all units This will help prevent malfunctions and or damage to speakers or other devices Placement e This device may interfere with radio and television reception Do not use this device in the vicinity of such receivers Do not expose the unit to direct sunlight place it near devices that radiate heat leave it inside an enclosed vehicle or otherwise subject it to temperature extremes Also do not allow lighting devices that normally are used while their light source is very close to the unit such as a piano light or powerful spotlights to shine upon the same area of the unit for extended periods of time Excessive heat can deform or discolor the unit e To avoid possible breakdown do not use the unit in a wet area such as an area exposed to rain or other moisture e Do not allow rubber vinyl or similar materials to remain on the piano for long periods of time Such objects can discolor or otherwise harmfully affect the finish Do not put anything that contains water e g flower vases on the piano Also avoid the use of insecticides perfumes alcohol nail polish spray cans etc near the unit Swiftly wipe away any liquid that spills on the unit using a dry soft cloth e Do not paste stickers decals or the like to this instrument Peeling such matter off the instrument may damage the exterior finish e During Operation this device must be placed at a distance of no less tha
18. lug must be unplugged from the outlet e Before using this unit make sure to read the e Do not excessively twist or bend the power cord instructions below and the Owner s Manual A nor place heavy objects on it Doing so can damage S the cord producing severed elements and short circuits Damaged cords are fire and shock Do not open or perform any internal modifications on the unit hazards e Do not attempt to repair the unit or replace parts e This unit either alone or in combination with an within it except when this manual provides amplifier and headphones or speakers may be S specific instructions directing you to do so Refer all servicing to your retailer the nearest Roland Service Center or an authorized Roland distributor as listed on the Information page capable of producing sound levels that could cause permanent hearing loss Do not operate for a long period of time at a high volume level or at a level that is uncomfortable If you experience any hearing loss or ringing in the ears you should immediately stop using the unit and consult an amp audiologist e Never use or store the unit in places that are e Subject to temperature extremes e g direct sunlight in an enclosed vehicle near a heating G ees seseeesseeeeeennsseeenesnaseeeeesnnsseeey peresen duct on top of heat generating equipment or N Do not allow any objects e g flammable material are coins pins or liquids
19. n 50 cm from any walls e Do not allow objects to remain on top of the unit while it is in operation e If you cover the heat sink their function is defeated and their temperature can rise to overly high levels which could cause burns if they are accidentally touched e Placing heavy objects on this unit may result in injury if it overturns or falls ILZ Please also refer to Important Notes on Placement p 8 Maintenance To clean the unit use a dry soft cloth or one that is slightly dampened Try to wipe the entire surface using an equal amount of strength Rubbing too hard in the same area can damage the finish e Never use benzine thinners alcohol or solvents of any kind to avoid the possibility of discoloration and or deformation Additional Precautions e Use a reasonable amount of care when using the unit s buttons sliders or other controls and when using its jacks and connectors Rough handling can lead to malfunctions e When connecting disconnecting all cables grasp the connector itself never pull on the cable This way you will avoid causing shorts or damage to the cable s internal elements e A small amount of heat will radiate from the unit during normal operation e To avoid disturbing your neighbors try to keep the unit s volume at reasonable levels especially when it is late at night e When you need to transport the unit package it in the box including padding t
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22. pecifications and or appearance of this unit are subject to change without prior notice 10 Reference Frequency Response dB 20 Response 30 50 100 200 500 1k 2k 5k 10k 20k Hz Frequency For EU Countries This product complies with the requirements of European Directives EMC 89 336 EEC and LVD 73 23 EEC For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a cir
23. phone type Unbalanced Balanced TRS Both balanced and unbalanced connections are possible NOTE The pin assignment for the connector is as shown below Before making any connections make sure that this pin is compatible with that of all your other devices GND SLEEVE l A 3 D HOT TIP COLD RING 2 Digital Input Coaxial Input Connector Digital Input This is the digital input connector for coaxial cable Nor It cannot be used for input of analog audio signals no sound is produced Optical Input Connector Digital Input This is the digital input connector for optic fiber cable Use commercially available optical cable for audio equipment to make the connection Nore Optical connector Protective Cap Ks e After removing the protective cap put in a safe place so that it doesn t get lost e When not using the optical connector attach the cap to keep the connector safe e When using the optical connector be sure that the cap you removed is placed out of the reach of children If a child has accidentally swallowed a cap see a doctor immediately Digital Input Select Switch This switch selects Optical or Coaxial Select the connector used for the input signal Assign Switch This switch selects the stereo position of the digital signal It selects Right L R or Left when using two DS 50A monitors for stereo sound with digital signals Choose the setting appropri
24. t the cable does not accidentally become disconnected 10 Heat Sink This is a heat radiating plate that dissipates excess heat Connection Examples Important Notes on Precautions When Connecting Placement and Turning on the Power During setup and transport be careful not to damage the To prevent malfunction and or damage to speakers or other devices always turn down the volume and turn off the power on all devices before making any connections Once the connections have been completed turn on power to your various devices in the order specified By does not touch any curtains or other fabrics turning on devices in the wrong order you risk causing The heat sink performs cooling when the monitor is malfunction and or damage to speakers and other devices When turning the power off reverse this procedure Connected devices gt DS 50A vibrating portions the speaker cone and diaphragm Be sure to place the monitor so that the heat sink on the rear panel is not obstructed Also make sure the monitor placed as shown below Do not place the monitor on its side or upside down Heated Air When this device is in operation the heat This unit is equipped with a protection circuit A brief interval a few seconds after power up is required before the unit will operate normally sink located on the rear panel will become hot Take care not to touch them with your hands
25. to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product INSTRUCTIONS PERTAINING TO A RISK OF FIRE ELECTRIC SHOCK OR INJURY TO PERSONS IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS WARNING When using electric products basic precautions should always be followed including the following NOaRON gt Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a damp cloth Do not block any of the ventilation openings Install in accordance with the manufacturers instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety When the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet WARNING THIS APPARATUS MUST BE EARTHED Never use with a cart stand tripod bracket 10 Protect the power cord from being w
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