User Manual - Lightspeed Technologies, Inc.
Contents
1. e Wires should be routed back directly to the amplifier so select a location that is free from obstructions that may make routing wire difficult Example placing the 820iR near a whiteboard or bulletin board would require the wiring to be run an extra distance in order to reach the amplifier 820iR User Manual 12 3 IR SENSOR INSTALLATION Sensor location is very important for optimum performance of the 820iR Classroom Audio System e BEST On the ceiling at or near the middle of the classroom e GOOD High and centered on the long wall e AVOID Locations in corners on walls at heights lower than 7 feet or in places where the line of sight is or could be obstructed Best placement Good placement ICU Mine Before adjusting the graphic equalizer refer to the intial set up on page 22 Sometimes fine tuning is required to eliminate feedback Fine tuning the Graphic Equalizer 1 Slide up and flip down the EQ cover door Walk the room listening for feedback squealing Lower the 2K5 and or 4K sliders if a high pitched ring is present Lower the 400 and or 700 sliders if a low pitched ring is present Reduce volume if feedback is still present 13 820iR User Manual IR SENSOR INSTALLATION cont d Suspended Ceiling Mount 1 Lift the ceiling tile nearest the grid rail in your desired sensor location Guide one side of the C clip over one edge of the grid rail Providing firm support2. Graphic Equalizer on the back panel of the 820iR LES 820iR Classroom Amplification System GS LightSPEED IR AF e POWER O O WIRELESS MICROPHONE VOLUME A VOLUME B VOLUME IR Af See page 12 for hints on setting the EQ 21 820iR User Manual INITIAL SET UP OPTIONAL LT 71 LES 820iR Classroom Amplification System 1 Turn the 820iR power switch to A VOLUME B VOLUME TV VCR the ON position The RED LED on S mK LightSPEED the switch will glow O A O e O WIRELESS MICROPHONE VOLUME AUDIO INF a ACH B OFF ON Slip the LT 71 with lanyard around the neck and position the top of the microphone just below the collarbone NOTE Positioning of the LT 71 is critical for proper volume adjustment LES 820iR Classroom Amplification System Z A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTE a a E 7 000 WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME 4 While speaking in a normal voice increase the B VOLUME level until your voice is barely audible REMEMBER This equipment is designed to supplement and distribute the user s voice so they are able to speak ina conversational tone Having the volume set too high will result in feedback and listener fatigue 820iR User Manual 22 INITIAL SET UP OPTIONAL HM 70 LES 820iR Classroom Amplification System 1 Ensure the 820iR is ON The RED mK A VOLUME B VOLUME TV VCR Ss LED on the power switch will glow uggreeD IR
3. lightspeed OZOR Classroom Audio System User Manual CONGRATULATIONS Congratulations on your purchase of the 820iR Classroom Audio System This simple yet powerful technology provides crystal clear sound throughout the classroom allowing every child to hear every word every time As the teacher speaks into the REDMIKE classroom microphone his or her voice is transmitted to the 820iR and then amplified through the loudspeaker s The standard system includes the 820iR infrared receiver amplifier REDMIKE classroom microphone SR 70F infrared sensor and speaker package The 820iR is a two channel receiver amplifier that allows the use of up to two microphones simultaneously and up to two additional audio input sources such as TV VCR DVD CD MP3 etc In addition Lightspeed offers various speaker options that are included with your system to provide optimal sound in rooms of all shapes and sizes The REDMIKE is an infrared classroom microphone This pendant style microphone is clipped to a lavaliere cord and worn around the teacher s neck It can be used as a standard handheld microphone for student interaction and class participation 820iR User Manual i 3201xN Usar Manta SAFETY INSTRUCTIONS AND CERTIFICATIONS CAUTION N RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PER
4. System Overview System Components Front Panel Controls Rear Panel Controls REDMIKE Controls and Connections Attaching the Lanyard to REDMIKE Cradle Charger Controls and Connections Optional LT 71 Controls and Connections Optional HM 70 Controls and Connections SECTION 2 Installation Unpacking Your System Location of the Receiver Amplifier IR Sensor Installation Suspended Ceiling Mount Wall Solid Ceiling Mount Speaker Installation Audio Integration Finalizing Connections Final Check SECTION 3 Initial Set up Charging and Optional Features Initial Set Up REDMIKE Initial Set Up Optional LT 71 Initial Set Up Optional HM 70 Charging the REDMIKE Charging the Optional LT 71 Charging the Optional HM 70 Output to Personal FM Transmitter Using the REDMIKE to Amplify External Audio Equipment SECTION 4 Troubleshooting Daily Use and Warranty Troubleshooting Guide Daily Use Instructions Tips on Classroom Audio Warranty Statement System Specifications Individual Components and Optional Accessories User Notes 820iR User Manual ii SECTION 1 System Overview 1 820iR User Manual SYSTEM COMPONENTS LES 820iR Classroom Amplification System A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTENING IghtSPEED O IR AF IR AF Power O O O O a WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME SR 70F Infrared Sensor REDMIKE Classroom Microphone Speakers and Optional LT 71 LightMic Speaker Wire and Charg
5. player The REDMIKE will transmit the audio signal to be played through the system 1 If your system includes two oc o S et A REDMIKEs use the student O o microphone already set to A a OO Channel B NOTE This feature works on both channels but we recommend using Channel B so the teacher s volume on the CH A does not have to be adjusted REMEMBER It s easy to determine which REDMIKE is set to Channel B by speaking into the mic and watching which set of LED s glow on the front panel of the 820iR IR AF Plug your laptop MP3 player or other audio source into the input on the REDMIKE labeled INPUT using a 3 5mm patch cable AUDIO OUTPUT 3 Adj ust t h evo ume of th e LES 820iR Classroom Amplification System A VOLUME B VOLUME TV VCR CD DVD LISTI selected mic channel to a achieve desired loudness a Q O ELESS E VOLUME A A EEA a INPUT VOLUME O VOLUME ICU Toms The optional LT 71 can also amplify external audio Simply plug the 3 5mm patch cable from the audio source into the input labeled AUX IN and adjust the volume of the source to the desired sound level 820iR User Manual 28 SECTION 4 Troubleshooting Daily Use and Warranty 29 820iR User Manual TROUBLESHOOTING GUIDE Note Most problems are directly related to low battery power Please run through the Battery Check items first For remaining troubleshooting use known good fully charged batteri
6. to the back of the grid rail with one hand to prevent bending firmly and carefully snap the second side of the C clip over the edge of the rail Uncoil sensor wire Connect one end of the sensor cable to the plug on the sensor Secure wire overhead and route it back to the system Connect the other end of the sensor cable into one of the sensor inputs on the back of the system Wall Solid Ceiling Mount II a Ee sensor plug Screw the plastic mounting strip to a place high on the wall or in the middle of the solid ceiling Mount the strip horizontally as shown above Firmly snap the C clip on the back of the IR sensor onto the plastic mounting strip with the sensor plug hanging down if a wall mount or toward the receiver location if ceiling mount Uncoil the sensor wire Screw one end of the sensor cable to the plug on the sensor Route the wire back to the system securing it along the way Connect the other end of the sensor cable to one of the sensor inputs on the back of the system 820iR User Manual 14 4 SPEAKER INSTALLATION 1 Locate the speaker installation instructions packed with your speaker s 2 Follow instructions and mount speaker s 3 Return to this manual to complete the set up of your system MCQ x 1 WMQ x 4 DRQ x 4 CNXQ x 1 15 820iR User Manual Video In IR S
7. 0 IR m0 O o o oWo o WIRELESS MICROPHONE VOLUME AUDIO INF Grip the barrel in the center section Avoid covering the infrared emitters circling the base This could interrupt signal transmission LES 820iR Classroom Amplification System Z A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTE a a 7 000 WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME 4 While speaking in a normal voice increase the B VOLUME level until your voice is barely audible REMEMBER This equipment is designed to supplement and distribute the user s voice so they are able to speak ina conversational tone Having the volume set too high will result in feedback and listener fatigue 23 820iR User Manual CHARGING THE REDMIKE 1 Plug power cord into the cradle charger and then plug the AC end into an electrical outlet Ensure that the REDMIKE Place the REDMIKE into the cradle The LED on the is turned OFF cradle will glow RED indicating charging has started When the REDMIKE is fully charged the LED on the cradle charger will change to GREEN Helpful hinu e REDMIKE incorporates alkaline protection into the microphone design Replacement AA NiMH batteries may only be purchased through Lightspeed Technologies part BA NH2A27 e A blinking LED indicates a charging or sensing error see page 7 Be sure to use a Lightspeed rechargeable sensing battery 820iR User Manual 24 CHARGING THE OPTIONAL LT 71 1 En
8. SONNEL 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 sufficient magnitude to constitute a risk of electric shock 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 appliance CERTIFICATIONS Complies with 72 23 EEC Low Voltage Directive and 89 336 EEC Electromagnetic Compatibility Directive Compliance was demonstrated to the following specifications as listed in the Official Journal of the European Union EN 60950 Electrical Safety A1 1993 A2 1993 A3 1993 A4 1997 EN 55022 RF Emissions Information Technology Equipment EN 55024 EMC Immunity Standard EN 61000 3 2 Harmonics EN 61000 3 3 Voltage Fluctuation Lightspeed Technologies launched a formal product recycle program in Europe that complies with the European Union Directive 2002 96 EC on Waste Electrical and Electronic Equipment WEEE Directive Please visit our website at www lightspeed tek com for more information This product is manufactured using lead free processes and is free of other materials harmful to the environment It conforms to the most stringent new European guidelines for consumer products RoHS ii 820iR User Manual Read Instr
9. charger PS 5V 1 0 Cradle charger power supply Contact Lightspeed at 800 732 8999 for speaker information 1171 LightMic microphone with lavaliere cord rechargeable batteries and charging cable Handheld microphone with rechargeable batteries and charging cable Optional Accessories HM70 MC TK250LTM Noise canceling headset microphone EN 820iR User Manual 34 USER NOTES Record your system serial numbers and purchase information This is helpful when ordering additional components accessories and or warranty service 820iR Microphones Purchase Information Your School Organization Purchase Date 35 820iR User Manual USER NOTES 820iR User Manual 36 USER NOTES 37 820iR User Manual MN0043U5S01 2 Lightspeed Technologies Inc 11509 SW Herman Rd Tualatin OR 97062 800 732 8999 www lightspeed tek com gt liohtspeed MNO0043US01 2
10. d all front panel volume controls are turned fully counter clockwise LES 820iR Classroom Amplification System A VOLUME B VOLUME TV VCR CD DVD LISTENING W 0 OOOO o ELESS MICROPHONE VOLUME AUDIO INPU1 VOLUME 2 Ensure speaker wire connections are secure and not frayed Under normal conditions each speaker volume control should remain in the center position AUDIO INPUT TVNCR CD DVD ie a p 9 0 Use conduit to protect wires e Conduit is the best means to keep the wires cables out of sight and safe from wear Conduit is not included CLILIIIIIIITIIIII RHEE RRR AAA ANNA 820iR User Manual 18 FINALIZING CONNECTIONS cont d 3 Ensure any auxiliary audio sources are connected to corresponding labeled input AUDIO INPUT TV VCR CD DVD ee 4 Ensure sensor cable is attached securely AUDIO INPUT 19 250 _ foo 700 O 2 06 2 54 SPEAKER OUTPUTS power CHARG x ane a NG 3 5 Connect DC end of power 6 Connect the AC supply to the black power jack J power cable from labeled DC POWER the power supply to a wall outlet FINAL CHECK 1 Ensure all cables are appropriately routed out of walking paths and work areas to prevent safety hazards to individuals in the room 2 The amplifier packing material should be kept for warranty shipping purposes 3 Proceed to initial set up to test system performance Leave microphones chargi
11. ensor Teacher s Microphone VGA Out Audio Out Speaker s Video Out Audio Out e Video Out Audio Out Audio In The 820IiR is designed to integrate with multiple audio sources allowing other instructional technologies to be clearly heard throughout the classroom 820iR User Manual 16 AUDIO INTEGRATION cont d Below are instructions on how to connect an external audio device like a TV VCR CD DVD or computer directly into the 820IR 82 Classroom Amplification System A VOLUME BVOLUME TV VCR CD DVD LES ASSISTIVE LISTENING LightSPEED IR IR NS AR o 0 WIRELESS MICROPHU Y VOLUME AUDIO INP Y VOLUME ALD VOLUME 1 Turn the audio input volume controls on the front panel all the way down 2 Connect a patch cable not included from the audio source into the corresponding input jack on the rear panel of the 820IR LES 820iR Classroom Amplification System G A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTENING Q 4 O IR AF IR AF Q w O ORM O O 0 WIRELESS MICROPHONE VOLUME A ALD VOLUME DIO INPUT VOLUME 3 With both the 820iR and audio source power on adjust the corresponding volume control until the desired level is achieved NOTE Be careful to not to set the volume too high as this can distort the speaker and potentially cause damage 17 820iR User Manual JAO Usar Manus 6 FINALIZING CONNECTIONS 1 Ensure the power switch is in the OFF position an
12. er Cable Optional HM 70 Handheld Microphone and Charger Cable Helipuul Himnu Keep ALL packaging materials If the system must be returned using the original packing material will be quick convenient and prevent damage 820iR User Manual 2 FRONT PANEL CONTROLS LES 820iR Cle 1 Amplification System e A VOLUME O TV VCR CD DVD ASSIST ENING G LightSPEED R TEO 0 MICROPHI M E VOLUME AUDIO INPUT VOLUME ALD VOLUME 1 POWER Switch POWER Indicator 4 A VOLUME Controls the volume This switch is used to turn the level of the teacher microphone 820iR ON switch up or OFF that is switched to Channel A switch down When the POWER Rotating the knob clockwise switch is in the ON position the increases output level red POWER light will glow B VOLUME Controls the volume IR Indicators IR These lights will level of the optional second glow red when the corresponding microphone that is switched to microphone is turned on This light Channel B Rotating the knob confirms the 820iR is receiving the clockwise increases output level infrared signal AUDIO INPUT VOLUME AF Indicators AF These lights e TV VCR Controls the volume of flash green when audio voice a TUIWER connected tothe from the microphone is detected TV VCR INPUT e CD DVD Controls the volume of a CD DVD player connected to the CD DVD INPUT ASSISTIVE LISTENING VOLUME Controls the volume level of an assistive listening dev
13. er Manual 30 820iR User Manual DAILY USE INSTRUCTIONS 1 TURN ON THE 820iR LES 820iR Classroom Amplification System El A VOLUME BVOLUME Tvwca cbmw as Ensure the power is switched on A A A A 0 WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME AL Remove the REDMIKE from the charging cradle and place it around your neck Adjust the neck strap so the top of the microphone rests just below your collarbone 3 TURN ON THE REDMIKE 4 CHARGE BATTERIES Place the REDMIKE back into the charging cradle to recharge at the Turn the microphone ON using the ON OFF switch on the side of the REDMIKE and speak normally end of the day 31 820iR User Manual TIPS ON CLASSROOM AUDIO Speak in a natural voice A normal conversational speech level will provide an adequate signal It is not necessary to increase the intensity of your voice the audio system provides adequate amplification approximately 5 10 dB above ambient room noises Avoid wearing jewelry that may rub or bump against the microphone Turn the REDMIKE off during private conversations with a student parent or other classroom visitor You can also cover the LED lens on top of the REDMIKE to block the signal Recharge batteries each night When recharged nightly operating time actual usage for the transmitters will last through a typical school day FRivesvear Limie Wanane Lightspeed Classroom Audio S
14. es Battery Check Confirm batteries are charged each night Confirm proper batteries are used The REDMIKE requires the Lightspeed BA NH2A27 rechargeable sensing battery for proper charging The LT 71 amp HM 70 require NiMH AA rechargeable batteries Make sure the microphones are turned off while charging so a full charge is attained Full charge will last eight hours Inspect the battery contacts Clean and adjust if necessary Hearing Static Ensure sensor is in optimum location refer to sensor placement in manual A single sensor will cover a 1600 sa ft enclosed classroom Ensure that no other REDMIKE LT71 HM70 is operating on the same channel Low Volume or Feedback e Ensure microphone is positioned appropriately just below the collar bone Check volume level on the amplifier If the volume is too high feedback will occur Adjust accordingly No Sound From Speaker e Turn the 820iR on Confirm that the POWER light located on the front panel Switch is on e Confirm signal is being received at the 820iR The IR signal light will be RED indicating a signal is being received e Confirm that REDMIKE is turned on There will be a BLUE LED on the microphone to indicate it is powered on If you review these instructions and still have questions write down the serial number and model number of your system and call Lightspeed Technical Services at 800 732 8999 5 a m 5 p m PST 820iR Us
15. he door downward The battery should only be replaced by a Lightspeed AA rechargeable sensing battery part BA NH2A27 5 820iR User Manual 4 AUDIO MICROPHONE INPUT Use this input to plug in a laptop MP3 player or other audio source to wirelessly transmit audio to be played through the system Alternatively an external microphone can be connected CHANNEL SELECT SWITCH CH A B This switch allows for selection between Channel A or B If you are using a single microphone we recommend using Channel A CHARGER CONTACTS These contacts interface with the charging tabs in the BC RMCC cradle charger for daily charging Simply place the REDMIKE in the charger ATTACHING THE LANYARD TO REDMIKE 1 ATTACH THE FOAM HOLDER Insert the REDMIKE clip into the slot at the bottom of the foam holder Slip the REDMIKE with lanyard around the neck Adjust the neck strap so the top of the microphone rests just below your collarbone 820iR User Manual 6 CRADLE CHARGER CONTROLS AND CONNECTIONS iy 1 CHARGE INDICATORS The light 3 OPTIONAL CHARGING PORT Plug the glows RED while the REDMIKE is charging cord for the optional LT 71 or charging When fully charged the the HM 70 microphones here light will glow GREEN A blinking RED light indicates that no battery is sensed paper insulator may not have been completely removed A blinking Green LED means a non Lightspeed battery has been insta
16. ice 3 820iR User Manual 2 06 2 54 DC SPEAKE OUTPUTS POWER CHARGERS 4V c SPEAKER OUTPUTS 1 4 These binding post connectors are used to connect the 820iR to the speakers Depending on speaker all outputs may not be used 2 DC POWER Plug the 24 V power supply into this jack 3 CHARGERS These jacks can be used to charge the optional LightMic or handheld mic as an alternative to connecting them to the REDMIKE cradle charger SAOIR Usar Mau 6 SENSOR SHORT AUDIO INPUTS e TV VCR Accepts stereo signal from TV VCR via RCA cable e CD DVD Accepts stereo signal from CD DVD player via RCA cable 8 BAND GRAPHIC EQUALIZER The Sliding controls adjust the levels of the various audio frequencies This allows the installer to properly equalize the system to produce optimum sound quality SENSOR INPUT The IR sensor cable connects to the sensor input Connect additional sensors to the 820iR to cover large or odd shaped classrooms SENSOR SHORT This LED glows when there is a short in one of the sensor cables 820iR User Manual 4 REDMIKE CONTROLS AND CONNECTIONS RED 1 POWER BUTTON Press this button to turn the REDMIKE ON press again to turn it OFF mute POWER LOW BATTERY INDICATOR A BLUE light indicates the REDMIKE is on and fully charged A RED light indicates a charge is needed BATTERY COMPARTMENT To access the battery compartment slide t
17. lled possibly an alkaline battery DC POWER PORT Connect the DC power cord here 7 820iR User Manual OPTIONAL LT 71 CONTROLS AND CONNECTIONS JUUUUU JUOUUU gt LightSPEED Ligt 3PEED ON OFF MUTE Switch This switch Auxiliary AUX Plug a laptop MP3 turns LT 71 ON or OFF mute player or other audio source into Channel Select Switch CH A B eile Jack e ie This switch allows for selection eS signal to be played trough of Channel A or B If you are a li using a single microphone we Charger Input CHARGER Plug recommend using Channel A the charging cable from the Power Charge Indicator The charger into this jack for daily light glows BLUE when the LT 71 ener Ins El E anne iront un is powered ON RED when being glow RED to indicate charging charged External Microphone Input MIC Use the 3 5mm MIC jack for the optional TK 250 headset microphone part MC TK250LTM 820iR User Manual 8 OPTIONAL HM 70 CONTROLS AND CONNECTIONS ON OFF MUTE Switch This switch 5 Infrared Emitters Avoid covering turns the unit ON OFF or MUTE the emitters as you grip the HM 70 Channel Select Switch CH A B as Emi cone nears sigha Located in the battery compartment transmission from the microphone the switch is set to Channel B at 6 Volume Gain Adjustment the factory Optimum volume level is Power Charge Indicator The pre set at the factory and no light glows RED when the HM 70 adju
18. ne Receiver Sensitivity 6 uV for 60 dB S N Image and Spurious Rejection gt 70 dB Dimensions W x D x H 9 5 x 8 5 x 1 75 3 9 lbs TRANSMITTER SPECIFICATIONS REDMIKE Audio Distortion lt 1 Built in Microphone Unidirectional Electret Battery Power 1 year warranty 1 AA NiMH Rechargeable Sensing Battery Audio Input 3 5mm Dimensions W x D x H 0 9 x 1 0 x 3 5 2 1 oz LT 71 LightMic Audio Distortion lt 1 Built in Microphone Unidirectional Electret Battery Power 1 year warranty 2 AA NiMH Rechargeable Audio Inputs Mic Level 3 5 mm Line Level 3 5 mm 1 375 x 75 x 4 625 HM 70 Handheld Microphone Audio Distortion Built in Microphone Unidirectional Electret Battery Power 1 year warranty 2 AA NiMH Rechargeable Dimensions W x D x H 2 25 x 2 25 x 8 75 Up to 1600 square feet per sensor 50 ft Plenum rated Mounting Ceiling clip Wall bracket Dimensions 4 25 Diam x 2 0 H 33 820iR User Manual fF 320128 Usar Manus INDIVIDUAL COMPONENTS OPTIONAL ACCESSORIES Part Number Description RX 820 Infrared receiver amplifier mixer PS 24V 2 5 Power supply battery charger for 820iR Infrared sensor with cable and wall or ceiling mounting Plenum sensor cable 50 ft REDMIKE classroom microphone RMT w lavaliere cord and rechargeable AA battery E Lightspeed AA rechargeable sensing battery BA NH2A27 for REDMIKE AC RMLC Lavaliere cord for REDMIKE REDMIKE cradle
19. ng so they are ready for use Microphones will need to be charged on a daily basis 19 820iR User Manual SECTION 3 Initial Set up Charging and Optional Features 820iR User Manual 20 INITIAL SET UP REDMIKE LES 820iR Classroom Amplification System 1 Turn the 820iR power switch to the o A VOLUME B VOLUME TVN CR ON position The RED LED on the S N switch will glow A O 0 O WIRELESS MICROPHONE VOLUME AUDIO INF 3 Slip the REDMIKE with lanyard around the neck and position the top of the microphone just below the collarbone NOTE Positioning of the REDMIKE is critical for proper volume adjustment 4 While speaking in a normal voice LES 820iR Classroom Amplification System Slowly increase the volume of the A VOLUME B VOLUME TV VCR CD DVD corresponding channel on the 820iR gt O cat D D 12 Q until your voice is barely audible A Sh OO ened onl tes REMEMBER This equipment supplements the user s voice so they are able to speak in a conversational tone Having the volume set too high will result in feedback and listener fatigue Once initial volume level is set walk 6 If a second REDMIKE was around the room and listen for audio purchased repeat steps 2 4 dropout and overall audio quality NOTE Each REDMIKE has its B Channel pre set to either A or Fine tuning the audio is accomplished by B No further adjustment is making minor adjustments to the 8 Band necessary
20. ot covered by the warranty 820iR User Manual 26 fF 32018 Usar Manual OUTPUT TO PERSONAL FM TRANSMITTER 1 Turn the ALD Assistive Listening Device volume control all way the down LES 820iR Classroom Amplification System A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTENING a e POWER O 0 O O D WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME O e 2 Determine the size and type of audio input jack on the device as many manufacturers products differ in connector size and shape The Lightspeed LES 370 Personal FM System requires a 3 5mm to 3 5mm patch cable part CA MMC3535 not included LES 820iR Classroom Amplification System A VOLUME CD DVD ASSISTIVE LISTENING Bl OLO AOO ELESS M ONE VOLUME AUDIO INPu Sror Connect a patch cable from the ALD s microphone jack or AUX input to the 3 5mm audio jack labeled ALD OUT on the rear panel of the 820iR Adjust the volume control on the ALD s receiver to maximum output NOTE This is to set the maximum allowable signal from the 820iR With the 820iR and ALD turned on speak into the REDMIKE and slowly adjust the ALD volume control until the appropriate audio level is attained in the ALD s receiver headphones 27 820iR User Manual USING THE REDMIKE TO AMPLIFY EXTERNAL AUDIO EQUIPMENT The REDMIKE includes a 3 5mm audio input jack to connect to an audio source like a laptop or MP3
21. stment should be necessary is powered ON GREEN when charging Charger Input CHARGER Plug the charging cable from the charger into this jack for daily charging 9 820iR User Manual SECTION 2 Installation 820iR User Manual 10 1 UNPACKING YOUR SYSTEM Ensure that you have received all of the components of your system LES 820iR Classroom Amplification System O A VOLUME BVOLUME TV VCR CD DVD ASSISTIVE LISTENING D IR AF IR AF Power O O OR o WIRELESS MICROPHONE VOLUME AUDIO INPUT VO E ALD VOLUME REDMIKE Classroom Microphone Charging Cradle and Power Supply Speakers and Speaker Wire Systems are configured with one of five speaker types shown to the right LightSPEED NXQ x 1 WMQ x 4 0 MCQ x 1 DRQ x 4 CNXQ x 1 11 820iR User Manual 2 LOCATION OF THE RECEIVER AMPLIFIER e Before running wires to the 820iR e A good location would be on any or plugging in find a suitable stable bookcase or shelf within stable location for the amplifier 6 feet of an electrical outlet The Ideally the teacher should have optional Lightspeed wall shelf part ready access and an electrical Best AC 800WB is specifically designed outlet should be within to support the 820IR six feet The best possible location for the 820iR is in a media cabinet with any existing audio video equipment
22. sure that the LT 71 is turned OFF 2 Make sure the cradle charger is plugged into a wall outlet Connect one end of the charging cable into the jack labeled CHARGER on the side of the LT 71 and plug the other end into the charging jack on the rear of the REDMIKE cradle charger The LT 71 s rechargeable batteries are factory installed The LED on the front of the LT 71 will glow RED when charging 3 Leave the LT 71 plugged in overnight 8 10 hrs to obtain a full charge Q meRu kine Microphones can be left in the charger for up to two weeks without degradation to battery life A full charge will be attained in 8 10 hours Fully charged Lightspeed microphones will last over 7 hours 25 820iR User Manual CHARGING THE OPTIONAL HM 70 1 Ensure that the HM 70 is turned OFF 2 Make sure the cradle charger is plugged into a wall outlet Connect one end of the charging cable into the jack labeled CHARGER on the side of the HM 70 and plug the other end into the charging jack on the rear of the cradle charger The HM 70 s rechargeable batteries are factory installed The LED on the front of the Handheld Mic will glow GREEN when charging Leave the HM 70 plugged in overnight 8 10 hrs to obtain a full charge The GREEN light will turn off when fully charged O elpirul GoM Do not attempt to charge alkaline batteries They can overheat and expand creating a significant hazard and damaging the LT 71 and HM 70 This is n
23. uctions All safety and operation instructions should be read before this Lightspeed product is operated Retain Instructions The safety and operating instructions should be kept for future reference Heed Warnings All warnings on this Lightspeed product and in these instructions should be followed Follow Instructions Al l operating and other instructions should be followed Water and Moisture This Lightspeed product should not be used near water Heat This Lightspeed product should be situated away from heat sources such as radiators etc Power Sources This Lightspeed product should be connected to a power supply only of the type described in the operation instructions or as marked on this Lightspeed product Power Cord Protection Power supply cords should be routed so that they are not likely to be walked upon or pinched by items placed upon or against them Object and Liquid Entry Care should be taken so that objects do not fall onto and liquids are not spilled into the Lightspeed product 10 Damage Requiring Service This Lightspeed product should be serviced only by qualified service personnel The user should not attempt to service this Lightspeed product 11 Prevent Electric Shock Do not use this polarized plug with an extension cord receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure Safety Instructions and Certifications SECTION 1
24. ystems are guaranteed against malfunction due to defects in materials and workmanship for a period of FIVE 5 YEARS beginning at the date of the purchase invoice If such malfunction occurs the product will be repaired or replaced at Lightspeed s option without charge during the warranty period 1 Warranty on infrared microphones is FIVE 5 YEARS 2 Warranty on Lightspeed rechargeable batteries all external cables and wires provided by Lightspeed is one 1 year 3 Prepaid shipping labels are provided by Lightspeed factory or an authorized warranty service center for warranty repairs 4 Warranty does not extend to finish appearance items or malfunctions due to abuse or operation other than specified conditions nor does it extend to incidental or consequential damages Repair by other than Lightspeed or its authorized service agencies will void this guarantee Information on authorized service agencies is available from Lightspeed Technologies Inc Our Service Department 800 732 8999 5 a m 5 p m PST will handle all your repair replacement needs 820iR User Manual 32 SYSTEM SPECIFICATIONS OVERALL SPECIFICATIONS Power Output 12 W per channel 24 W total Amplifier Frequency Response 40 Hz to 20 kHz 3 dB Carrier Frequencies IR 2 06 2 54 3 2 3 7 MHz Signal to Noise Ratio Dynamic Range Maximum Deviation ccccececeeeeseeeeeeeseseeeseeaees RECEIVER SPECIFICATIONS Receiver Type Superheterody
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