i-ceilings Infrared Sound Field System User Manual
Contents
1. ceilings Can they hear you at the back I cellings Infrared sound Field System User Manual Soundfield f Classroom Voice Reinforcement What Is a Sound Field System Sound Field or a Sound Field Voice Reinforcement System is essentially the integration of a mini PA system in the classroom The inclusion of a Sound Field System in the classroom will raise a teacher s voice above the ambient noise in noisy or lively classroom environments Sound Field voice reinforcement will provide even coverage throughout the whole room without the need to shout or raise one s voice This will provide significant benefits for teacher pupil communication and understanding Your i ceilings Infrared Sound Field System uses the latest infrared and NXT loudspeaker technology Please read this manual carefully as it contains important information on using and maintaining the performance of the equipment 1 Teacher worn Infrared Microphone Transmitter 2 Infrared Microphone Receiver The i ceilings Sound Field System has been designed with the minimum of user controls Once set up by the installer it is very simple and flexible to use A number of different facilities and variants may be installed as part of a system depending on the requirements of particular installations They are all covered in this manual but may not all be included as part of your system In many installations the equipment is ins2. ertainly be caused by acoustic feedback and will stop if the volume is reduced cmaro YOUR BELTPACK TRANSMITTER AND EMITTER WILL BE CONNECTED TO ONE OF THE FOLLOWING MICROPHONE OPTIONS MC 72X SL Headset Microphone J Head worn unit The microphone boom should be positioned so the microphone capsule is in the region of 1 to 2 inches 2 5 5cm away but not a directly in front of your mouth You may need to experiment to obtain the clearest sound Do not use the microphone without the wind shield MC 75X SL Collar Microphone A lightweight microphone which is worn around the neck It is both comfortable to wear and very efficient Position the microphone to one side of your mouth not directly in front as this will accentuate breath noise Do not use without the foam wind shield as this will also cause breath noise www soundfield uk com Microphone Transmitters Belt Pack amp Hand Held options are available both of which are powered by rechargeable batteries It is most important to adopt the correct charging regime otherwise the performance may suffer a separate section covers this aspect see pg6 All of your microphone transmitters will operate in any of your classrooms featuring a Sound Field System Two different fixed frequencies are available your installer will have selected the best combination frequencies for the installation at the school If you have been supplied with two trans
3. ill power the transmitters for approximately 4 hours Batteries will re charge within 1 hour using the supplied chargers e HC 37 Drop in charger for beltpack transmitter e HC 20 Drop in charger for handheld microphone transmitter On both drop in chargers the charging LED will show red when charging changing to green when fully charged I a aT For the most efficient use of your batteries the NC 37 charger also includes a discharge feature To use drop the beltpack into the charger When the LED shows RED press the discharge button and the LED will turn to AMBER Once the batteries have fully discharged the unit will automatically begin to charge showing GREEN when fully recharged CONG d i FULL CHG Charge LED Discharge LED www soundfield uk com Additional Sound Field system facilities Your Sound Field system may also include the following additional features 2 x Phono Inputs 1 AV Input Plate This can be used to connect the sound from a laptop CD or DVD player etc to your Sound Field System for even sound coverage throughout the o classroom The AV sound will work in conjunction with the microphone signal The AV input plate features 2 phono connectors and a volume e Ne control i gt Volume Control _ gt 0 2 Assisted Hearing Radio Aid Output Plate This allows hearing impaired students who use a personal radio aid system to be linked directly to o the Sound Fie
4. ld system providing greater levels of voice clarity and a more inclusive learning Y environment The Radio Aid Output Plate features a 3 5mm 2 pole jack socket and volume control 3 5mm Jack Socket Volume Control Soundfield Classroom Voice Reinforcement D ceilings For further information on the use and benefits of Sound Field Classroom Voice Reinforcement visit us on line at s WWW soundfield uk com With a range of highly effective low cost solutions we have already supplied many successful i ceilings Sound Field systems throughout the country whilst our specially developed website www soundfield uk com has become the industry recognised site for information and advice on classroom voice reinforcement and the recommendations of Building Bulletin 93 Effective relief for teachers sore throats e Soundfield Cl E z g ro U O British Educational Suppliers Association SFUM Version 1 17 1 0 06 Classroom Voice Reinforcement O i ceilings Sound Field is a joint project between Armstrong World Industries and CIE Group Ltd CIE Group Widdowson Close Blenheim Ind Est Bulwell Nottingham NG6 8WB T 44 0 115 9770075 F 44 0 115 9770081 E soundfield cie group com W www soundfield uk com
5. mitters for use in your classroom they will have been set to operate simultaneously As the system uses infrared technology the transmitters will only work in the classroom within sight of the detectors They will not work in the corridors staff rooms or other adjacent areas You should note that the transmitters require clean line of sight to one of the detectors to work reliably so care needs to be taken to ensure a clear path exists which is not obscured in any way remember this includes ensuring infrared emitters are not obstructed by clothing IWH 201 Hand Held Microphone These are intended primarily as a roaming microphone for pupil interaction Other than an On Off switch the handheld microphone option has no other controls Operation is indicated by a green L E D which changes to red when the batteries are running low and require re charging See section on chargers and batteries pg6 You will find the microphone is very sensitive talk in a normal voice holding the microphone at a distance of 6 to 8 inches 15 20cm away from your mouth N B Only 2 transmitters one on each frequency can be used in any classroom Hold in the middle to avoid blocking the emitters on the bottom of the handheld mic Battery Charging 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 w
6. sk public areas SEN Students e Assists inclusive learning e Easily integrates with induction loop systems e Proven learning improvements for pupils with ADHD e Many children with Down s syndrome who have fluctuating conductive hearing loss perceive significantly more speech Should you have any problems or queries regarding your i ceilings Sound Field System please contact the system installer or our technical Support department on T 0115 9770075 or E service cie group com Soundfield Classroom Voice Reinforcement Using individual pieces of equipment IWM 302 Belt Pack Transmitter amp 1T11X Infrared Emitter This system is intended to be used to reinforce the teacher s voice The belt pack can be worn in any comfortable location for example clipped to a belt or kept in a pocket The infrared emitter must be worn in a position with a clear line of sight view to the detectors The On Off switch is located on top of the beltpack operation is indicated by a green L E D which turns red when the batteries are running out and require recharging See section on chargers and batteries pg6 Sound Field is not intended as a public address e Infrared Beltpack e Infrared Emitter system rather to reinforce the teacher s voice to a clear yet unobtrusive level To set the volume level use the setting wheel on top of the beltpack If you encounter whistling or similar strange sounds this will almost c
7. talled above the ceiling with only the infrared detectors visible in the classroom even the loudspeaker s used in suspended ceilings look exactly the same as the ceiling tiles and are usually all but impossible to identify 3 i ceilings unique Sound Panel Loudspeaker and Integrated Amplifier e i ceilings Panel Loudspeakers are all but he impossible to identify in the ceiling The benefits of Sound Field in your classroom All children benefit from the improved speech clarity of a Sound Field System Academic improvements are consistently noted in e Task behaviour e Understanding of instructions e Attentiveness e Less repetition required e Better attendance e Improved verbal recognition e Reduced voice strain The inclusion of Sound Field Voice Reinforcement in the classroom provides wide ranging benefits to mainstream and hard of hearing students as well as teachers Pupils In addition to the above outstanding benefits pupils also benefit from e More effective deciphering of language in early learning years e Better understanding of teachers voice for second language learning e Assists temporary hearing deficiency common in early learning years Teachers e Improved clarity of voice and understanding e Reduced voice strain illness and stress e Less repetition required e Assists inclusive learning for SEN students e Reduced loudspeaker theft in high ri
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