SYSTEM INSTALLATION GUIDE - CIE
Contents
1. L CEILING SYSTEMS Between us ideas become reality D ceilings SOUND SYSTEMS Soundfield ZY Classroom Voice Reinforcement SYSTEM INSTALLATION GUIDE rh Can they heat you at the back www soundfield uk com D ceilings Soundfield Classroom Voice Reinforcement I ceilings Soundfield Systems provide a complete solution designed for use in teaching and training environments They utilise the latest speaker and infrared technology to create sound reinforcement systems which combine the highest levels of performance and flexibility with the minimum of visual intrusion Please remember that Soundfield is a sound reinforcement system not a public address system levels should therefore be set accordingly Typical Classroom Coverage Installation of 2 wall sensors in a classroom l l Infrared Please note These infrared Soundfield Systems are remote designed for use in a typical standard sized classroom SENER normally up to 60m and are not recommended for use in large room applications such as school halls lecture theatres sports halls etc For larger applications we suggest using RF wireless microphone systems The IR wireless microphones use direct reflected light emissions and so large non reflective surfaces light Infrared absorbent surfaces such as black dark painted walls fell or large fabric coverage etc inthe classroom w2. Tone Controls Low 1kH 12dB High 10kHz 12dB to power a HO 33 Charger Line Input 500mv 600 ohms balanced 18V Output 18V DC fused at 100mA Line Output 15V DG fused at 500mA Om 6DD Gime Dalancoq Balanced line level output terminals for connection to a P 5 a 6 i s r l 230V AG 50Hz via IEC socket APA LLO output plate or Loop amplifiers Ext Spkr SBSH x 224W x BSD mn External Speaker terminals for powerino up to 4 FBT Project 315 loudspeakers set at low impedance Important note the speakers need to be wired Warning in series parallel see diagram 4 Damage to the No connections should be made amplifier will occur if speakers with a total impedance of to the unit whilst the mains power less than 4 ohms are connected to these terminals is connected Diagram 4 a S IR Mic IR SENSOR 2 2 al a 3 S s 8 a 18V cee oT yA c 358 5 ee 8 22 SCRN Os 2 u O O m g l 15v DC Out Mic Level 18V DC Out LINE In Gnd _ l Line Level SCRN oO 3 a P C L T 2 H i gt Input Plate Input Plate optional APL Outreach APL Outreach NO MORE THAN 5 OUTREACH PLATES SHOULD BE CONNECTED Mains Power Connection amp Power Switch
3. 02 Pendant Transmitter Microphone 2 x IS 20A Infrared Sensor 3 x EXT CABLE 10 10 Mtr Extension Cord for IS 20A 1 x HC 40 Charger for IWM 402 2x AA Batteries for IWM 402 1 x AV15276 Phono Coupler 2 X Instructions Installation and Operation Manuals Pack G 1 x CS4500 Surface mount i ceilings Sound Panel 1 x IRX Wallmount Amplifier IR Receiver 1 x 03284 Safety Cable 1 x IWM 402 Pendant Transmitter Microphoner 2 x IS 20A Infrared Sensor 3 x EXT CABLE 10 10 Mtr Extension Cord for IS 20A 1 x HC 40 Charger for IWM 402 2x AA Batteries for IWM 402 1 x AV15276 Phono Coupler 2 X Instructions Installation and Operation Manuals Armstrong D ceilings Optional Soundfield Equipment e S 20A Extra Infrared Sensor e Ext cable 10 10 Metre IR Sensor Extension Lead e IWH 401 Handheld Transmitter Microohone 7WIB2V4 Rechargeable Battery for IWH 301A e APA APL CD MP3 Laptop Wall Plate ot o s e APA LLO Radio Assisted Hearino Aid Output Plate ea a Infrared Wireless Microphone Technology This manual is intended for use by installation engineers The separate user manual should be left with the user Infrared Wireless Microphone Technology As the Systems use wireless infrared to transmit the user s voice some understanding of how this operates is useful Infrared is simply invisible light and acts in a very similar way to ordinary light a useful feature in classroom applications For example infrare
4. Amplifier or the IRX will illuminate together with the green LEDs on any Outreach plates fitted If the green LEDs fail to illuminate disconnect the supply and check the connections to the Outreach plates are correct For Packs A B and C only Set output level switch on the IWR 220 to MIC and switch the Receiver on the red LED on the front panel should illuminate together with those fitted to the external IR sensors The fixed equipment should now be operating Next test the APA APL input plate s by feeding in a low level signal from a music source such as a CD MP3 or laotop Set the volume control on the plate to maximum then adjust the line inout on the Sound Panel amplifier or IRX to produce a reasonable level over the room Remember a Soundfield System is not a PA system the objective is to provide a comfortable listening level over the entire room In an empty room the system needs to be set slightly louder than would normally be required Do not try to adjust the tone controls at this point If more than one plate of the same type has been installed all should be tested using the same method If different type Outreach plates have been installed each should be tested using a suitable input source Now set up and test the infrared microphone transmitters using the procedures on pages 15 and 16 If the system includes an IWH 301 hand mic as well as a IWM 302 beltpack then set the hand mic first Setting the Transmitte
5. The IRX is supplied with a mains cable featuring a tamper proof IEC plug which once inserted into the mains socket is purposely very difficult to remove and avoids accidental disconnection of power Note If the mains cable needs to be disconnected from the IRX unit break the clear plastic cover on the red button of the rear of the IEC plug then depress the red button to release The IRX Power Switch is positioned on the bottom of the unit adjacent to the IEC socket Red button and o a clear plastic cover High POWER A B Line Level Mic Level Low i gt ore Er eo apaq oa LINE In 16V DC Out 15v DC Out LINE Sig Qut 18v DC Out Ext Spkr Gad lly I Gad ly y eS yes Pasa EILE RI i tes Ur Emmm me Im mI m mim gr a w i e IRX Wallmount Amplifier IR Receiver controls and connectors _ TONE S Low D ceilings Amplified SoundPanel F i LINE in VDC Owi MicAcwin 15v Acn Pee DINE Sig Gut WB DC Cut Emek e i ceiings Powered Sound Panel controls and connectors Testing and Commissioning Packs A B C F amp G Before testing the system ensure that all the batteries required for the transmitters are fully charged After checking all the connections and wiring set the line and mic level controls to the half way point then connect the unit to the mains supply The Power LED on the amplifier of either a Panel
6. be temporarily switched off when privacy or confidential conversations are required Check the IR Coverage as per page 16 IWH 401 Handheld Microphone Remove the battery cover by unscrewing the housing from the body of the microphone and insert a fully charged battery ensuring the correct polarity if you don t have any fully charged batteries to hand use Hi capacity AA cell for testing set up purposes IMPORTANT See notes page 16 regarding Chargers and Batteries These are intended primarily as a roaming microphone for pupil interaction OtherthananOn Offswitch thehandheldmicrophoneoptionhasnoothercontrols Operation is indicated by a green LED which changes to red when the batteries are running low and requirere charging seesectiononchargersandbatteries below Youwillfindthemicroohone is very sensitive talk ina normal voice holding the microphone at a distance of 6 to 8 inches 15 20cm away from your mouth An optional lanyard neck loop is also provided which will allow the IWH 401 to be used hands free just like the IWM 402 Pendant transmitter D ceilings Setting the Transmitters Checkino the infrared coveraoe When the transmitters and detectors used on the installation have been set check the infrared coverage in the teaching space or training room Whilst the infrared is in theory line of site it readily reflects off many surfaces emitting power has also increaseq significantly in line with improveme
7. charge correctly The IWM 402 has an inbuilt safety feature which will protect the Pendant and charger should someone insert standard AA batteries and attempt to recharge them When installing a new set of rechargeable batteries please trim off 15mm of the plastic cover sleeving from the negative end of the battery insert into the transmitter and place into the Drop In charger If this procedure is not carried out then the charger will not recharge the installed batteries HC 40 Charging indicator LED e WON T e WILL CHARGE CHARGE Solid Red Charging Solid Green Fully Charged Flashing Red Poor battery condition indication to replace or change the batteries Note Before charging either transmitter please ensure that the batteries are installed the correct way around pos pos neg neg Inserting the batteries the wrong way around will result in failure of damage to the microphone transmitter This is not covered under warranty Please demonstrate the equipment to the user and explain all the features and facilities Make sure the user understands the charging and care of batteries Finally leave the user manual with them together with details of who to contact if service is required www soundfield uk com For further details on the TE Carn he arya at e ba i ceilings Soundfield product F range its use and benefits in the a an emsa eardat TRENN Fosouirce for information on Sound Field Wolny es Met
8. ct the CIE Group sales team IAPA Features TONE POWER oO O O The IAPA amplifier has two inputs one is at line level a m et L allowing the use of remote Outreach input plates such as the D ceilings Ampited SoundPanel Fia APAVAPL the other input is at a level suitable for connection Tien ice e E DNO sama EB to a Chiayo IWR220 or similar infrared or RF wireless microphone receiver An 18v DC supply is available from the amplifier to drive the Outreach plates and a 15v DC supply to power the IR receiver Both inputs have their own level controls An additional line level output 18v DC supply and external low impedance speaker output are also features of this unit The unit is fitted with High and Low tone controls to allow adjustment of the frequency response of the panel The frequencies at which the controls operate have been chosen to allow speech clarity to be optimised to the acoustic environment All the connections to the unit are externally accessible and are of the removable screw terminal type allowing for quick and easy connection IAPA Specifications Rated Output 20W RMS into 8 ohms Frequency Response 100Hz 18kHz 3dB THD At 1kHz Better than 0 1 at rated output Tone Controls Low 1kHz 12db High 10kHz 12db 500mv 600 Ohm balanced D ceilings IAPA Connection Details IAPA Connection Details refer to Diagram 3 on page 11 e Line In Balanced line
9. d be made to the unit whilst the mains power is connected Diagram 3 IAPA Connection Details NSG 3lsulVdvl Jild 40 S0 0 STIVLAG NOILDJNNOD VdVI TILIL SI dl YOSN4S tl N P YOSNIS tl dnoib JD O Q4LIANNOD 49 d INOHS SALV Id HOVSELNO S NVHL d4dON ON lqe2 pauaais a102 p OIW LY 13S p iiddns eq Aew sj pow 19y 0 INQ UAOUS OZZ HMI oo SLAdNI YOSNAS qddA14D548 dl YOLDINNOD d3AAOd Ieuo ndo 93e d INdu u3e nno IdV MOVE t l lq e3 p u NS 2109 7 Ieuondo s l q 1ndino YOeaNE oL reuondo jaued SBul igo 1 JO Jayeeds wyog O le q 1ndu u3e nno IdV Ads 3x4 1nO OQ 81 ino aulq ee Olea JADY AGL ULJADXYIIW ino DG AsL LAdNI SNIVW DJl NI SNIVW J2A27 IIN 18497 auly DV ADET YJMOd Clever Little Box IRX Wallmount Amplifier IR Receiver The IRX unit is a wallmount system featuring 20W amplifier and in built infrared receiver developed specifically for Soundfield systems using conventional wallmount loudspeakers or the i ceilinos CS4500 surface mount Sound Panel qi er ie SSRIS Bassai pret It has been designed to be both user friendly in the classroom whilst ensuring complete safety and security in such a welfare critical environment The in built amplifier features two inputs one is at line level allowing the use of remote Outreach input plates such as the APA APL the other input contr
10. d recognises walls as boundaries so multiple systems can be used without problems Whilst it is true that IR can be directional all our emitters use high power LED arrays and detectors are wide angle Infrared also readily reflects from walls ceilings and windows so full coverage is easily achievable Frequency allocation problems are eliminated and any transmitter can be used with any receiver as a result these systems are both easy to commision and very flexible in use AC Power Requirements Pack A B and Systems A single 13 amp power point is all that is required as all ancillary Soundfield system items are powered p directly from the panel amplifier If two speakers are es required a further slave Sound Panel set to 8 onms can be connecteq to the extension speaker terminals ofthe Panel Amp see page 10 for connection details Pack F amp G Surface mount Systems A single 13 amp power point is all that is required as all ancillary items are powered from the IRX Receiver Amplifier Cable Requirements Mains amp Audio All mains supply cables terminated with 13 amp UK plugs are included with kits as are the interconnection cables between the infrared receiver and amplifier Infrared Receiver and External Detectors Two ready terminated 10 metre coaxial extension cables are provided for the connection of the extension S 20A infrared detectors If required these can be extended to 20 metres by means
11. er classroom please visit us online The integration of voice reinforcement in tha classroom ECOSAN is roconmandod hy the DIES as Alito and higtiy at www soundfield uk com academic results of pups and 5itirhnrits oyo paie Soundfield Product compliance These products comply with the following European directives EMC directive 89 336 EC plus amendments Low voltage directive 72 23 EC plus amendments WEEE Directive 2002 95 IEC ROHS Directive Disposal When this product has reached the end of its useful life it must be disposed of in accordance with the European Parliament and Council Directive on Waste Electrical and Electronic Equipment 2002 96 EC the WEEE Directive For disposal details please go on line to www iceilings uk com weee htm For further information on i ceilings Soundfield Systems please contact CIE Group Ltd Widdowson Close Blenheim Ind Est Bulwell Nottingham NG6 8WB UK T 44 0 115 977 0075 F 44 0 115 977 0081 E iceilings cie group com W www cie group com DD ceilings SoundField or a SoundField Voice Reinforcement System is essentially the integration of a mini PA system in the classroom Under quiet classroom conditions most teachers have enough natural volume in their voice to communicate effectively with a standard sized class However a number of acoustic factors lively noisy classes reverberant room conditions ambient noise fro
12. hich may reduce coverage must always be considered in whiteboard the system s performance 10m in width Please read this manual carefully before starting the installation and ensure you have all the equipment required This product should only be installed by a competent installer The manufacturer accepts no responsibility for any resulting damage or consequential loss due to incorrect installation e tis essential that all equipment mounting trays and safety bonds safety cable amp security clips are used and installed correctly e The amplifier will get warm during use so please allow adequate ventilation around the unit Should you need to clarify any details with regards to the product or its installation please contact our technical support team on 0115 977 0075 we are always happy to provide help and technical advice www soundfield uk com 4 Pack A 1 x CS4000ME AMP 1 x APA APL 1 x APA TRAY 2 x 03284 2 x 03518 1 x IWM 402 1 x IWR 220 2 x IS 20A 2 x EXT CABLE 10 1 x HC 40 2 x AA 1 x IC 1 IC 2 2 X Instructions Pack B 1 x CS4000ME AMP 1 x CS4000ME 1 x APA APL 1 x APA TRAY 2 x 03284 2 x 03518 1 x IWM 402 1 x IWR 220 2 x IS 20A 2 x EXT CABLE 1 x HC 40 2 x AA 2 x Instructions x G e n gt Amplified Sound Panel Speaker CD MP3 Laptop Wall Plate Equipment Support Tray Safety Cable Security Clip Pendant Transmitter Microphone Infrared Receiver Infra
13. higher power settings 100v line as this will damage the amplifier Safety Note It is most important that the supplied safety cables and security clips are used and fitted correctly on each loudspeaker as part of the installation e Diagram 2 1 FBT wall speaker Position 1 e Diagram 2 2 FBT wall speaker Position 2 IRX Wallmount Amplifier IR Receiver When an Armstrong Sound Panel is used the amplifier is an integral part It supplies power to the IR receiver and any Outreach points as well as providing audio inputs and controls please refer to IAPA section for details on connection and commissioning However where surface mount speakers Pack F amp G are used the IRX Wallmount Amplifier IR Receiver is provided as part of the kit It should be installed adjacent to the whiteboard or front of the classroom at a height convenient to allow adjustment of the level controls The associated Outreach Plate should also be installed close by Please refer to page 12 for details of IRX installation and commissioning IAPA Integrated Panel Amplifier Introduction The IAPA Integrated Armstrong Panel Amplifier si consists of a 20W power amplifier pre installed on lt a an Armstrong i ceilings Sound Panel Sound Panels can be supplied with a wide range of ceiling finishes allowing the unit to be installed in any Armstrong suspended ceiling For advice on matching non Armstrong suspended ceilings please conta
14. level inout terminals for connection of up to five remote Outreach Input plates APA APL etc e Mic Revr In Unbalanced microphone level input terminals for connection of a Chiayo IWR 220 infrared wireless microphone receiver It is also possible to use this input to connect Chiayo RF radio microphone receivers Contact CIE Group Technical Support 0115 977 0075 for advice e 18v DC Out Line Level Line Sig Out 18v DC supply terminals providing power to the Outreach plates These terminals will provide a combined maximum output current of 100mA e 15v DC Out Mic Revr 15v DC supply terminals providing power to the IWR 220 receiver only These terminals will provide a combined maximum output current of 500mA e Line Output Balanced line level output terminals available on the IAPA for connection to the line level input of other equipment such as the APA LLO Outreach plate or Induction Loop amplifiers These can be used for connecting multiple i ceilings panels in larger rooms where one speaker would not give sufficient Sound coverage e Ext Spkr External 8 ohm speaker terminals for powering a single additional Armstrong CS1000 or Pro series panel Note damage to the amplifier will occur if soeakers with a total impedance of less than 8 ohms are connected to these terminals The mains input should be connected using an IEC type connector The supply input should be 230V AC 10 50HZz Warning No connections shoul
15. m equipment outside hearing difficulties etc can have a significant effect on clear effective teacher oupil communication The inclusion of a SoundField System in the classroom will raise the teacher s voice above this ambient noise level to give even voice coverage throughout the room and without the need to shout or raise one s voice schools colleges universities training centres Approved Supplier An exclusive partnership between Armstrong World Industries and CIE Group Ltd O www soundqlield uk com CIE Q rO U b Armstr Ong integrated system sQ lutions
16. nput and output plates require a single gang assistive hearing systems socket box with a minimum depth of 25mm Outreach Plate connection cable specification The cable between the speaker panel the first and any followino Outreach Plates must be to the following minimum specification 1 pair twisted and screened for audio plus 1 additional pair for power West Penn 357 supplied by CIE Group or any good quality quad microphone cable should be suitable A wide range of Outreach Plates to suit various other interface requirements is available please call CIE Group for details Sound Panel Loudspeaker Installation Sound Panel Loudspeaker positioning and installation Packs A C amp G In systems using only one i ceilings Sound Panel the speaker unit should ideally be installed in the ceiling grid slightly to the rear of the classroom using the teaching position as a datum and as near as possible to the centre line of the other axis see Diagram 1 Infrared remote sensor Pack B a I ceilings When 2 panels are used the exact positioning will Sound Panel loudspeaker be dictated by the shape of the classroom but the locations should be chosen to give the best possible coverage Infrared remote sensor e Diagram 1 sound Panel Cabling Take care to route all cables in such a way that they cannot rest on the rear of
17. nts in LED technology Provided the two sensors are installed and angled correctly and the transmitter batteries are charged completely coverage of all areas likely to be used by the teacher should be readily achieved If this is not the case the sensors should be checked Firstly ensure that the red LEDs are illuminated on both IS 20A sensors Secondly test each individual sensor preferably by substitution or if a replacement is not available by disconnecting each sensor in turn The coverage with a single sensor should be distinctly poorer if no change is observed suspect the sensors Please note complete coverage is unlikely to be achieved with only a single sensor Chargers and Batteries It is vitally important that the correct regime is adopted with regard to battery charging if the performance of the system is to be maintained In normal use fully charged batteries will power the transmitters for approximately 4 hours Batteries will re charge to 80 within 1 hour and fully within 5 hours using the supplied charger Microphone Type Charger Option IWM 402 Pendant Transmitter HC 40 Drop In Charger IWH 401 Handheld Transmitter HC 40 Drop In Charger IWH 302 Handheld Transmitter HC 33 Drop In Charger Important information Your IWM 402 is supplied with a set of rechargeable batteries However if these should become lost or require replacement it is critical that the following procedure is followed to allow your batteries to re
18. of a further extension cable and male to male coupler The Pack F System is supplied with 3 extension cables and a male to male coupler For distances of over 20 metres please consult our technical support team Armstrong D ceilings Outreach Input Plates A maximum of 5 Outreach Plates can be used with the i ceilings amplified Sound Panel or IRX Wallmount e Amplifier The APA APL supplied with the packs is intended to be used for the connection of a laptop prm CD MP3 player or similar audio signal and should be a gt iO O e located in a convenient position near to the teaching position e Outreach Plates are active with balanced outputs and as such can be daisy chained together to provide multiple inputs as required each with its own dedicated volume control By this means it is possible to provide a flexible input structure to cater for almost any conceivable requirement e APA APL Outreach Plate for AV inputs Low Level Output Plates APA LLO These optional units are intended to facilitate the connection of individual hearing assistance systems e to the Soundfield system The plate is supplied with a 3 5mm 2pole jack socket with an output level of 2 a 7 5volts nominal set by means of a user adjustable level control Cable requirements are as Outreach input plates but a separate cable must be provided where this facility is installed e APA LLO Outreach Plate for All Outreach i
19. ols the lt level of the internal infrared microphone receiver An 18v DC supply is available from the amplifier to drive the Outreach plates Both inputs have their own level control i The amplifier also includes low impedance loudspeaker output minimum impedance 4ohms and a separate line level output and 18v DC supply for use with optional APA LLO output plate The IRX is fitted with high and low tone controls to allow adjustment of the frequency response of the speakers Frequencies at which the controls operate have been chosen to allow speech clarity to be optimised to the acoustic environment ia sz All signal connections to the unit are accessible only when the front cover is removed and are of the removable screw terminal type allowing for quick and easy connection For Connection Details refer also to Diagram 4 opposite Line In Low High POWER I SS Balanced line level input terminals for connection SAGrrr eee of up to five remote Outreach input plates APA APL I aaa 1 l etc 18v DC Out Line Level Line Sig Out 18v DC supply terminals providing power to the Outreach plates These terminals will provide a combined maximum output current of 100mA IRX Specifications Rated Output 20W RMS into 8 ohms 15v DC TE nal il a bined Frequency Response 100Hz 18kHz 3dB y SUPPO TENUN VAN PUE PC THD ANKAA Bator a a oun maximum output current of 500mA and can be used e 15v DC Out
20. r s IWM 402 Pendant Transmitter Remove the rear battery cover from the unit and insert a fully charged battery ensuring the correct polarity if you don t have any fully charged batteries to hand use Hi capacity AA cell for testing set up purposes IMPORTANT see notes on page 16 regarding Chargers and Batteries Choose the required transmission channel A or B the IR Receiver will operate on both however if only one transmitter unit is to be used please set to channel A and replace the rear cover e WM 402 Pendant IR Transmitter Set the microphone volume level on the side of the transmitter to minimum and switch on the power a green LED on the front of the transmitter will indicate power is present The channel indicator LED on the Receiver should illuminate and should be the same as the pre set channel on the transmitter With the unit worn around the neck gradually increase the volume level whilst speaking at a normal conversational level the sound should be heard through the system speakers as the volume control is advanced Ideally the level should be set at approx 3 4 power before any feedback is possible if feedback is encountered reduce the volume of the transmitter or alternatively adjust the level of the amplifier unit installed to compensate The microphone may be muted at at any time by pressing the mute button on the transmitter front if muted this will illuminate red and allows the internal microphone to
21. red Sensor 10 Mtr Extension Cord for IS 20A Drop in Charger for IWM 402 Batteries for IWM 402 Connecting Cables Installation and Operation Manuals Amplified Panel Speaker Sound Panel Speaker slave CD MP3 Laptop Wall Plate Equipment Support Tray Safety Cable Security Clip Pendant Transmitter Microphone Infrared Receiver Infrared Sensor 10 Mtr Extension Cord for IS 20A Drop in Charger for IWM 402 Batteries for IWM 402 Installation and Operation Manuals Soundfield Equipment Pack Lists i ceilings Soundfield Packs are supplied with the loudspeakers and infrared equipment in separate boxes Before going to site please check you have all the items required Detailed below are the contents lists for each of the various packs that are available ir e Soundfield Pack F Pack C 1 x PRO PANEL AMP Amplified Pro Sound Panel Speaker 1 x APA APL CD MP3 Laptop Wall Plate 1 x APA TRAY Equipment Support Tray 2 x 03284 Safety Cable 2 x 03518 Security Clip 1 x WM 402 Pendant Transmitter Microphone 1 x IWR 220 Infrared Receiver 2 x IS 20A Infrared Sensor 2 x EXT CABLE 10 10 Mtr Extension Cord for IS 20A 1 x HC 40 Charger for IWM 402 2x AA Batteries for IWM 402 1 x IC 1 IC 2 Connecting Cables 2 X Instructions Pack F 4x FBT Project 315 1 x IRX Installation and Operation Manuals Wallmount Loudspeakers Wallmount Amplifier IR Receiver 4 x 03284 Safety Cable 1 x IWM 4
22. the Sound Panel When completing the installation be sure to fit the safety bonding wire to each speaker Finally check that no debris has been dropped on the panel Remove everything you would be NB Do not let cables or foreign objects come amazed at the effect a 10mm cable off cut can into contact with the rear of the Sound Panels as d these will cause vibrations and result in Produce distortion of the sound signal Remote Infrared Sensor IS 20A installation Two remote IR sensors are supplied with all kits These should be installed at either end of the classroom just below ceiling level Generally the centre of the wall behind the teaching position and the same position on the opposite wall will give the best coverage see Diagram1 above alternatively position on opposite sides of the room The IS 20A is a 170 degree wide angle detector and should be angled slightly downwards to give the best possible coverage Please ensure to make all connections before switching on power to the amplifier supply D ceilings Conventional Wall Speaker Positioning Where FBT Project 315 Loudspeaker option is used Pack F If possible the 4 speakers should be installed in Position 1 as shown in Diagram 2 1 if this is not possible then Position 2 shown in Diagram 2 2 FBT pees can be used Before installation the rotary switch at the rear of the speakers must be set to 8Q Do not attempt to run the speakers at
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