Sennheiser MO 2000 Set User's Manual
Contents
1. CAUTION Risk of staining of furniture surfaces Some furniture surfaces have been treated with varnish polish or synthetics which might cause stains when they come into contact with other synthetics Despite a thorough testing of the synthetics used by us we cannot rule out the possibility of staining gt Do not place the central unit on delicate furniture surfaces You can set up the device on an even surface or mount it into a 19 rack Note Do not fit the rubber feet when rack mounting the device Setting up the device To ensure that the device cannot slip on the surface on which it is placed fix the supplied four self adhesive soft rubber feet to the base of the device gt Ensure that the base of the device is clean and free from grease before fit ting the rubber feet gt Fix the rubber feet to the base of the device by peeling off the backing paper and fitting them as shown Rack mounting CAUTION Danger of heat damage When installing the device in a closed or multi rack assembly please consider that during operation the temperature within the rack may rise significantly gt Make sure not to affect the ventilation required for safe operation or provide additional ventilation CAUTION Danger of electric shock When installing the device in a closed or multi rack assembly please note that intrinsically harmless leakage currents of the individual devices may accumulate thereby exc2. components of the MO 2000 H microphone head are metal free including the fiber optic cable feed The main areas of application of the optical microphone are acoustic mea surement and communication tasks in industrial environments and EMC sen sitive areas as well as medical magnetic resonance imaging and magneto encephalographic measurement MEG Other applications are to be found in the field of non detectable acoustic surveillance Delivery includes e 1 MO 2000 H optical microphone with 3 m fiber optic cable e 1 MO 2000 CU central unit e 1 mains unit with different country adapters e 1 carrying case e 1 instruction manual Optical microphone Fiber optic cable Mains unit ZI SENNHEISER Mc MO 2000 CU Product overview MO 2000 Set 0 09 Q Yi SENNHEISER MO 2 OPTICAL MIC INPUT Gain switch coarse adjustment Level control fine adjustment with O dB mark 6 OVERLOAD LED ON OFF button Cable grip for power supply DC cable DC socket for connection of power supply unit DC IN Audio output AF OUT BAL XLR 3M balanced Audio output AF OUT UNBAL BNC socket unbalanced Type plate SC duplex optical connection for microphone Optical microphone B SC duplex connector Mains unit US adapter UK adapter EU adapter preassembled Putting the system into operation Fitting the device feet
3. VA A s E N NH E IS E R y 4 Al sS E N N H E I SE R M 0 2 0 0 0 Cc U Contents Safety instructions at AA A A 2 MO 2000 iii A A 4 Deliveryineludes 2 20 ue02 een ana 5 Product overview MO 2000 Set uu essssseeseseseseseceecesseseseseseseeeseseseesseeeesesseaeeeaeees 6 Putting the system into operation esesssssessssessesressesseseoressesressesroresressesresrosrosesse 7 Fitting the device feet Setting up the device Rack mounting rn een ofi CONNECTING THE MAINS Unit inician nahen 8 Connecting the amplifier u a ea 8 Connecting the optical microphone ueessesenenenenessnenennenennnennennnnennnenn 9 Switching the central unit ON OFF uessnsnensenensenenennenensensnsennnennenennons 9 Adjusting the Sensitivity unse 9 Overloadindi atio Masies sopa ita ora 9 Care and Maintenance iia 10 ACCOSSOMIOS ii AA 10 A TNA 11 Connector ASSIGNMENT occoconinocacnnoninconcoronnornconcncon coreo oo rason co ron coran a no ronsr rason 12 Frequency response CUVE ss idad 12 Manufacturer Declarations Safety instructions This instruction manual contains important safety information Read this instruction manual Keep this instruction manual in a safe place Always include this instruction manual when passing the system on to third parties Heed all warnings Follow all instructions WARNING To reduce the risk of fire or electric shock do not expose the device and the
4. ead screws M 6x10 gt If you are not front mounting the BNC output connector insert the two blanking plugs into the holes of the blanking plate Slide the central unit into the 19 rack Secure the rack mount ears to the rack Connecting the mains unit gt Connect the supplied mains unit to the socket DC IN Use the cable grip to secure the power supply DC cable gt Connect the suitable adapter to the mains unit gt Connect the mains unit to the mains The device switches on automatically Connecting the amplifier The audio outputs are available as a balanced XLR 3M output and an unbalanced BNC output allowing you to simultaneously connect two devices amplifier etc Both outputs deliver the same output voltage are short circuit proof and decoupled from each other gt Connect the amplifier mixing console to the balanced XLR 3M output or the unbalanced BNC output 6 For details on balanced or unbalanced connection see Connector assign ment on page 12 OPTICAL MIC INPUT Z SENNHEISER MO 2000 CU Connecting the optical microphone CAUTION Risk of damage to fiber optic cable Fiber optic cable must not be bent like conventional cable gt When installing fiber optic cable make sure not to bend it beyond a bend radius of 50 mm OVERLOAD Before connecting the optical microphone remove the protect
5. eeding the allowable limit value gt Ground the rack via an additional ground connection For mounting two central units into a 19 rack you require the GA 2 rack adapter The GA 2 rack adapter consists of e 1 blanking plate e 2 rack mount ears e 1 jointing plate e 2 blanking plugs for closing off unused BNC holes e 12 recessed head screws M 3x6 e 2 recessed head screws M 6x10 To mount two central units into a rack Place the two central units side by side upside down onto a flat surface gt Align the jointing plate over the holes in the bottom sides of the central units gt Secure the jointing plate to the central units using eight of the supplied recessed head screws M 3x6 gt Hook the two rack mount ears to the front panels of the central units gt Secure the rack mount ears to the central units using two of the sup plied recessed head screws M 3x6 respectively Slide the central units into the 19 rack gt Secure the rack mount ears to the rack To mount only one central unit into a rack gt Hook the two rack mount ears E to the front panel of the central unit Secure the rack mount ears to the central unit using two of the supplied recessed head screws M 3x6 respectively gt Secure the blanking plate to one of the rack mount ears using two of the supplied recessed h
6. heiser GmbH amp Co KG gives a warranty of 24 months on this product For the current warranty conditions please visit our web site at www sennheiser com or contact your Sennheiser partner CE Declaration of Conformity C E This equipment is in compliance with the essential requirements and other relevant provisions of Directives 2004 108 EC and 2006 95 EC Statements regarding FCC and industry Canada This device complies with Part 15 of the FCC Rules and with RSS 210 of Industry Canada Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications made to this equipment not expressly approved by Sennheiser electronic Corp may void the FCC authorization to operate this equipment 13 14 Sennheiser electronic GmbH amp Co KG Am Labor 1 30900 Wedemark Germany Phone 49 5130 600 0 Fax 49 5130 600 300 www sennheiser com Printed in Germany Publ 08 08 524194 A01
7. ions caps from the microphone connections 1 and 2 of the central unit Keep the protection caps in a safe place for reuse during transport or storage They protect the microphone connections against dirt gt Connect the duplex connector of the optical microphone to the micro phone connections 1 and 2 of the central unit Please observe the correct insertion direction of the connector The duplex connector is connected the correct way round when the label on the connector is facing downwards as shown Switching the central unit on off After connection to the mains the device switches on automatically and the ON button lights up gt Press the ON button to switch the MO 2000 CU central unit on or off Note If the power supply is interrupted for several seconds e g due to a power failure the device switches on automatically even if it was switched off before Adjusting the sensitivity With the microphone connected and both the gain switch and the level control set to O dB the specified sensitivity mV Pa is obtained gt Use the gain switch to increase the output voltage level by 20 dB tenfold increase or 40 dB hundredfold increase gt Use the level control to steplessly adjust the output voltage level between 15 dB and 15 dB Overload indication The OVERLOAD LED indicates both positive and negative voltage peaks If the OVERLOAD LED lights up gt Use the gain contr
8. mains unit to rain or moisture Disconnect the mains connector from the wall socket to completely discon nect the device from the mains during lightning storms or when unused for long periods of time Use only the supplied mains unit Ensure that the mains unit is always readily operable and easily accessible properly plugged into the wall socket only operated within the permissible temperature range see Specifi cations on page 11 not covered or exposed to direct sunlight for longer periods of time in order to prevent heat accumulation Use of the MO 2000 CU central unit Da same voamcu The MO 2000 CU central unit has been designed for use with the MO 2000 H O pti cal micro p hone 11 2 G Ex op is T6 Gb IIC Il 2 D Ex op is Db T V 07 ATEX 553824 MADE IN GERMANY Rack mounting When installing the device in a closed or multi rack assembly please consider that during operation the ambient temperature within the rack may signi ficantly rise above room temperature However the ambient temperature within the rack must not exceed the temperature limit specified in the speci fications When installing the device in a rack take good care not to affect the ventila tion required for safe operation or provide additional ventilation Make sure the mechanical loading of the rack is even to avoid a hazardous condition such as a severely unbalanced rack When installing the device in a clo
9. mers in breach of this instruction the warranty becomes null and void Refer all servicing to qualified service personnel Servicing is required if a device has been damaged in any way such as mains cable or plug damage liquid has been spilled objects have fallen inside the device has been exposed to rain or moisture does not operate properly or has been dropped Intended use of the device Intended use means that the device should be used within the operating conditions and limitations described in this instruction manual Improper use means using the device other than as described in this instruction manual or under operating conditions which differ from those described herein MO 2000 Set The MO 2000 Set optical microphone system consists of the following main components e MO 2000 H optical microphone e MO 2000 CU central unit The MO 2000 H optical microphone consists of an opto acoustic microphone head which is fitted with a fixed 3 m double fiber optic cable The fiber optic cable is connected to the MO 2000 CU central unit Power is supplied via an external wide voltage range power supply unit The MO 2000 His an omni directional microphone designed for picking up air borne sound The components of the MO 2000 H microphone head outside dimensions 1 2 inch are made of plastic suitable for permanent stationary use in areas where aggressive substances gases salts moisture or radia tion are present All
10. ne adjustment with O dB mark DC socket for connection of mains unit SC duplex input for microphone XLR socket balanced BNC socket mains unit with country adapter 100 240 V AC to 12 VDC 5 4 W 1 5 W at 12 V DC 120 mA steplessly adjustable between 15 dB three settings 0 dB 20 dB 40 dB 15 mV Pa level control set to central position gain switch set to 0 dB approx 330 unbalanced 660 balanced 1 55V 0 C to 40 C 20 C to 70 C MO 2000 H microphone head with 3 m fiber optic cable omni directional 20 Hz to 40 kHz 6 dB 15 mV Pa gt 50 dB A 134 dB 10 C to 70 C 20 C to 70 C 11 12 10 15 20 25 30 Connection fiber optic cable extension optional Interface Design Cable loss Optical transducer optional Interface Design Coupling losses AF cable Design Connector assignment DE DC connector for mains unit SC multimode 200 230 um approx 3 4 dB per 100 m socket socket type SC 5 6 dB per coupling pair balanced microphone cable with shielding ES XLR 3F connector balanced Frequency response curve dB 20 15 10 20 50 100 200 500 1k 2k 5k 10k 20k 50k Hz Manufacturer Declarations Warranty Senn
11. ol and or the level control to reduce the output voltage level so that the OVERLOAD LED no longer lights up 10 Care and maintenance CAUTION Liquids can damage the electronics of the MO 2000 CU central A unit Liquids entering the housing of the device can cause a short circuit and damage the electronics gt Keep all liquids far away from the device Before cleaning disconnect all devices from the mains To clean the MO 2000 CU central unit Before cleaning disconnect the device from the mains gt Use a soft dry cloth to clean the device Accessories Cat No Accessory 009823 GA 2 rack adapter 525700 MO 2000 H optical microphone 525701 MO 2000 CU central unit 067510 Mains unit 502186 MZQ 2000 microphone clamp 511999 Carrying case 516503 Instruction manual Specifications MO 2000 CU central unit Housing Front panel connections and controls Rear panel connections and controls Power supply Power consumption of CU Current consumption Gain AF output level Output impedance Max output level Operating temperature range Storage temperature range MO 2000 H optical microphone Design Pick up pattern Frequency response Sensitivity S N ratio at 1 Pa SPL Max SPL Operating temperature range Storage temperature range 1 219 metal housing ON OFF button with operation indicator OVERLOAD LED gain control coarse adjustment level control fi
12. sed or multi rack assembly please note that intrinsically harmless leakage currents of the individual devices may accumulate thereby exceeding the allowable limit value As a remedy ground the rack via an additional ground connection Operation This device must be operated only from the type of power supply indicated on the type plate Observe correct polarity Never push objects of any kind through openings of this device as they may touch dangerous voltage points or short out parts that could result in fire or electric shock Ensure sufficient ventilation Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as central heating radiators electric heaters stoves or other devices that produce heat e g amplifiers Keep the device away from direct sunlight and similar sources of heat Only use attachments accessories specified by Sennheiser Use the device in dry rooms only Do not expose the device to dripping or splashing and ensure that no objects filled with liquids such as vases or coffee cups are placed on the device Do not use the device near water or liquids Should a spillage occur unplug the device and have it checked by a techni cian Service No user serviceable parts inside Do not attempt to service devices yourself as opening or removing covers may expose dangerous voltage or other hazards If devices are opened by custo
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