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8 2 0 i R U s e r M a n u a l

37 | 820iR User Manual

USER NOTES

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Summary of Contents for 820iR

Page 1: ...820iR Classroom Audio System U s e r M a n u a l ...

Page 2: ...des 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 optim...

Page 3: ...serted to prevent blade exposure SAFETY INSTRUCTIONS AND CERTIFICATIONS CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL RISK OF ELECTRIC SHOCK DO NOT OPEN The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous volt...

Page 4: ...er 12 IR Sensor Installation 13 Suspended Ceiling Mount 14 Wall Solid Ceiling Mount 15 Speaker Installation 16 Audio Integration 17 Finalizing Connections 18 Final Check 19 SECTION 3 Initial Set up Charging and Optional Features 20 Initial Set Up REDMIKE 21 Initial Set Up Optional LT 71 22 Initial Set Up Optional HM 70 23 Charging the REDMIKE 24 Charging the Optional LT 71 25 Charging the Optional...

Page 5: ...8 2 0 i R U s e r M a n u a l 1 820iR User Manual SECTION 1 System Overview ...

Page 6: ...ENTS Keep ALL packaging materials If the system must be returned using the original packing material will be quick convenient and prevent damage 820iR Infrared Receiver Amplifier and Power Supply REDMIKE Classroom Microphone SR 70F Infrared Sensor Sensor Cable Optional LT 71 LightMic and Charger Cable Optional HM 70 Handheld Microphone and Charger Cable Speakers and Speaker Wire Charging Cradle an...

Page 7: ...ls the volume level of the teacher microphone that is switched to Channel A Rotating the knob clockwise increases output level 5 B VOLUME Controls the volume level of the optional second microphone that is switched to Channel B Rotating the knob clockwise increases output level 6 AUDIO INPUT VOLUME TV VCR Controls the volume of a TV VCR connected to the TV VCR INPUT CD DVD Controls the volume of a...

Page 8: ... the optional LightMic or handheld mic as an alternative to connecting them to the REDMIKE cradle charger 4 AUDIO INPUTS TV VCR Accepts stereo signal from TV VCR via RCA cable CD DVD Accepts stereo signal from CD DVD player via RCA cable 5 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 pr...

Page 9: ...rechargeable sensing battery part BA NH2A27 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 5 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 Chann...

Page 10: ...AM HOLDER Insert the REDMIKE clip into the slot at the bottom of the foam holder ATTACHING THE LANYARD TO REDMIKE 2 POSITION THE REDMIKE Slip the REDMIKE with lanyard around the neck Adjust the neck strap so the top of the microphone rests just below your collarbone ...

Page 11: ...ht 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 installed possibly an alkaline battery 2 DC POWER PORT Connect the DC power cord here 3 OPTIONAL CHARGING PORT Plug the charging cord for the optional LT 71 or the HM 70 microphones here CRADLE CHARGER CONTROLS AND CONNECTIONS 1 2 3 ...

Page 12: ...is powered ON RED when being charged 4 External Microphone Input MIC Use the 3 5mm MIC jack for the optional TK 250 headset microphone part MC TK250LTM 5 Auxiliary AUX Plug a laptop MP3 player or other audio source into this jack to wirelessly transmit the audio signal to be played through the system 6 Charger Input CHARGER Plug the charging cable from the charger into this jack for daily charging...

Page 13: ...The light glows RED when the HM 70 is powered ON GREEN when charging 4 Charger Input CHARGER Plug the charging cable from the charger into this jack for daily charging 5 Infrared Emitters Avoid covering the emitters as you grip the HM 70 as this could interrupt signal transmission from the microphone 6 Volume Gain Adjustment Optimum volume level is pre set at the factory and no adjustment should b...

Page 14: ...8 2 0 i R U s e r M a n u a l 820iR User Manual 10 SECTION 2 Installation ...

Page 15: ...IKE Classroom Microphone SR 70F Infrared Sensor and cable NXQ x 1 CNXQ x 1 WMQ x 4 DRQ x 4 Charging Cradle and Power Supply POWER A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTENING IR IR AF AF WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME LES 820iR Classroom Amplification System MCQ x 1 Speakers and Speaker Wire Systems are configured with one of five speaker types shown to the right ...

Page 16: ...binet with any existing audio video equipment A good location would be on any stable bookcase or shelf within 6 feet of an electrical outlet The optional Lightspeed wall shelf part AC 800WB is specifically designed to support the 820iR 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 8...

Page 17: ...aces where the line of sight is or could be obstructed 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 2 Walk the room listening for feedback squealing 3 Lower the 2K5 and or 4K sliders if a high pitched ring is present 4 Lower the 400 an...

Page 18: ... one of the sensor inputs on the back of the system IR SENSOR INSTALLATION cont d 1 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 2 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 ce...

Page 19: ... 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 CNXQ x 1 DRQ x 4 WMQ x 4 NXQ x 1 CNXQ x 1 MCQ x 1 ...

Page 20: ...io sources allowing other instructional technologies to be clearly heard throughout the classroom 5 AUDIO INTEGRATION Projector DVD VCR Speaker s IR Sensor Teacher s Microphone Projector Audio In Audio Out IR Transmission Video In Audio Out Audio Out Video Out Video Out VGA Out 820iR 820iR BLOCK DIAGRAM ...

Page 21: ...xternal audio device like a TV VCR CD DVD or computer directly into the 820iR AUDIO INTEGRATION cont d 2 3 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 3 With both the 820iR and audio source power on adjust the corresponding volume control until ...

Page 22: ...er clockwise 6 FINALIZING CONNECTIONS POWER A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTENING IR IR AF AF WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME LES 820iR Classroom Amplification System SPEAKER OUTPUTS 250 400 700 1K 1K4 2K5 4K 6K3 10 0 10 AUDIO INPUT CHARGERS DC POWER TV VCR CD DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2 06 2 54 Use conduit to protect wires Conduit is the b...

Page 23: ...ily basis FINAL CHECK FINALIZING CONNECTIONS cont d 5 Connect DC end of power supply to the black power jack labeled DC POWER 3 Ensure any auxiliary audio sources are connected to corresponding labeled input 4 Ensure sensor cable is attached securely SPEAKER OUTPUTS 250 400 700 1K 1K4 2K5 4K 6K3 10 0 10 AUDIO INPUT CHARGERS DC POWER TV VCR CD DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2 06 2 54 ...

Page 24: ...8 2 0 i R U s e r M a n u a l 820iR User Manual 20 SECTION 3 Initial Set up Charging and Optional Features ...

Page 25: ... audio is accomplished by making minor adjustments to the 8 Band Graphic Equalizer on the back panel of the 820iR 6 If a second REDMIKE was purchased repeat steps 2 4 NOTE Each REDMIKE has its Channel pre set to either A or B No further adjustment is necessary See page 12 for hints on setting the EQ 1 Turn the 820iR power switch to the ON position The RED LED on the switch will glow 2 Turn on the ...

Page 26: ...will glow 2 Turn on the LT 71 and set the operating channel to B A CH B OFF ON A CH B OFF ON INITIAL SET UP OPTIONAL LT 71 POWER A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LISTENING IR IR AF AF WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME LES 820iR Classroom Amplification System 3 Slip the LT 71 with lanyard around the neck and position the top of the microphone just below the collarbon...

Page 27: ...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 in a conversational tone Having the volume set too high will result in feedback and listener fatigue POWER A VOLUME B VOLUME TV VCR CD DVD ASSISTIVE LIS IR IR AF AF WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME LES 820iR Classr...

Page 28: ...A NiMH batteries may only be purchased through Lightspeed Technologies part BA NH2A27 A blinking LED indicates a charging or sensing error see page 7 Be sure to use a Lightspeed rechargeable sensing battery 2 Ensure that the REDMIKE is turned OFF 3 Place the REDMIKE into the cradle The LED on the cradle will glow REDindicating charging has started When the REDMIKE is fully charged the LED on the c...

Page 29: ...rned 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 o...

Page 30: ... 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 3 Leave the HM 70 plugged in overnight 8 10 hrs to obtain a full cha...

Page 31: ...labeled ALD OUT on the rear panel of the 820iR 4 Adjust the volume control on the ALD s receiver to maximum output NOTE This is to set the maximum allowable signal from the 820iR 5 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 POWER A VOLUME B VOLUME TV VCR CD DVD ASSIS...

Page 32: ... 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 2 Plug your laptop MP3 player or other audio source into the input on the REDMIKE labeled INPUT using a 3 5mm patch cable POWER A VO...

Page 33: ...8 2 0 i R U s e r M a n u a l 29 820iR User Manual SECTION 4 Troubleshooting Daily Use and Warranty ...

Page 34: ...ones 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 sq ft enclosed classroom Ensure that no other REDMIKE LT71 HM70 is operating on the same channel Low Volume or Feedback E...

Page 35: ...e the power is switched on 4 CHARGE BATTERIES Turn the microphone ON using the ON OFF switch on the side of the REDMIKE and speak normally DAILY USE INSTRUCTIONS 2 POSITION THE REDMIKE 3 TURN ON THE REDMIKE 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 Place the REDMIKE back into the cha...

Page 36: ...arranty 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 specifi...

Page 37: ...square feet per sensor Cable 50 ft Plenum rated Mounting Ceiling clip Wall bracket Dimensions 4 25 Diam x 2 0 H Weight 4 5 oz LT 71 LightMic Audio Distortion 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 Dimensions W x D x H 1 375 x 75 x 4 625 Weight 3 7 oz REDMIKE Audio Distortion 1 Built in Micro...

Page 38: ...dheld microphone with rechargeable batteries and charging cable Lightspeed AA rechargeable sensing battery for REDMIKE Charging cable for LT 71 and HM 70 microphones Lavaliere cord for REDMIKE Infrared sensor with cable and wall or ceiling mounting bracket Plenum sensor cable 50 ft Noise canceling headset microphone 6 dual RCA audio cable 24 dual RCA audio cable 3 5mm to 3 5mm stereo audio cable A...

Page 39: ...ecord your system serial numbers and purchase information This is helpful when ordering additional components accessories and or warranty service Components 820iR Serial Number Microphones Purchase Information Your School Organization District Purchase Date Invoice ...

Page 40: ...8 2 0 i R U s e r M a n u a l 820iR User Manual 36 USER NOTES ...

Page 41: ...8 2 0 i R U s e r M a n u a l 37 820iR User Manual USER NOTES ...

Page 42: ...Lightspeed Technologies Inc 11509 SW Herman Rd Tualatin OR 97062 800 732 8999 www lightspeed tek com MN0043US01 2 MN0043US01 2 ES des er the E to e and the E at of ...

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