LightSpeed Technologies 820iR User Manual
Classroom audio system
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Troubleshooting
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Summary of Contents for LightSpeed Technologies 820iR
- Page 1 820iR Classroom Audio System U s e r M a n u a l...
- Page 2 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.
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Page 3: Safety Instructions And Certifications
Lightspeed product. consumer products (RoHS). —Do not use 11. Prevent Electric Shock this polarized plug with an extension cord, receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure. ii | 820iR User Manual... -
Page 4: Table Of Contents
......... 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 | iii... -
Page 5: Section 1: System Overview
8 2 0 i R U s e r M a n u a l SECTION 1 System Overview 1 | 820iR User Manual... -
Page 6: System Components
A VOLUME B VOLUME TV/VCR CD/DVD ASSISTIVE LISTENING POWER WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME 820iR Infrared Receiver/Amplifier and Power Supply Sensor Cable SR-70F Infrared Sensor Charging Cradle and Power Supply REDMIKE Classroom Microphone Speakers and Optional LT-71 LightMic... -
Page 7: Front Panel Controls
1. POWER Switch/POWER Indicator: level of the teacher microphone This switch is used to turn the that is switched to Channel A. 820iR ON (switch up), or OFF Rotating the knob clockwise (switch down). When the POWER increases output level. -
Page 8: Rear Panel Controls
These 1. SPEAKER OUTPUTS (1–4): binding post connectors are used to Accepts stereo signal • TV/VCR: connect the 820iR to the speakers. from TV/VCR via RCA cable. Depending on speaker, all outputs Accepts stereo signal • CD/DVD: may not be used. -
Page 9: Redmike Controls And Connections
Lightspeed AA These CHARGER CONTACTS (+ -): rechargeable sensing battery contacts interface with the charging (part # BA-NH2A27). tabs in the BC-RMCC cradle charger for daily charging. Simply place the REDMIKE in the charger. 5 | 820iR User Manual... -
Page 10: Attaching The Lanyard To Redmike
Insert at the bottom of the foam holder. 2. POSITION THE REDMIKE the REDMIKE with lanyard Slip around the neck. Adjust the neck strap so the top of the microphone rests just below your collarbone. 820iR User Manual | 6... -
Page 11: Cradle Charger Controls And Connections
(paper insulator may not have been completely removed.) A blinking Green LED means a non- Lightspeed battery has been installed (possibly an alkaline battery). Connect the DC DC POWER PORT: power cord here. 7 | 820iR User Manual... -
Page 12: Optional Lt-71 Controls And Connections
BLUE when the LT-71 glow RED to indicate charging. is powered ON, RED when being 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... -
Page 13: Optional Hm-70 Controls And Connections
Power/Charge Indicator: adjustment should be necessary. light glows RED when the HM-70 is powered ON, GREEN when charging. Plug Charger Input (CHARGER): the charging cable from the charger into this jack for daily charging. 9 | 820iR User Manual... -
Page 14: Section 2: Installation
8 2 0 i R U s e r M a n u a l SECTION 2 Installation 820iR User Manual | 10... -
Page 15: Unpacking Your System
CD/DVD ASSISTIVE LISTENING POWER WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME 820iR Infrared Receiver/Amplifier and Power Supply SR-70F Infrared Sensor and cable 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. -
Page 16: Location Of The Receiver/Amplifier
8 2 0 i R U s e r M a n u a l 2. LOCATION OF THE RECEIVER/AMPLIFIER • Before running wires to the 820iR • A good location would be on any or plugging in, find a suitable, stable bookcase or shelf within stable location for the amplifier. -
Page 17: Ir Sensor Installation
8 2 0 i R U s e r M a n u a l 3. IR SENSOR INSTALLATION Sensor location is very important for optimum performance of the 820iR Classroom Audio System. • BEST: On the ceiling at or near the middle of the classroom. -
Page 18: Suspended Ceiling Mount
4. Connect cable to one of the sensor inputs on the other end of the 3. Connect the back of the system. sensor cable into one of the sensor inputs on the back of the system. 820iR User Manual | 14... -
Page 19: Speaker Installation
2. Follow to this manual to complete the set up 3. Return of your system. MCQ (x 1) NXQ (x 1) CNXQ (x 1) WMQ (x 4) DRQ (x 4) CNXQ (x 1) 15 | 820iR User Manual... -
Page 20: Audio Integration
VGA Out Speaker(s) Video Out Audio Out Audio Out Video Out Audio In DVD/VCR 820iR The 820iR is designed to integrate with multiple audio sources allowing other instructional technologies to be clearly heard throughout the classroom. 820iR User Manual | 16... -
Page 21: Audio Integration
8 2 0 i R U s e r M a n u a l 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. LES 820iR Classroom Amplification System A VOLUME... -
Page 22: Finalizing Connections
8 2 0 i R U s e r M a n u a l 6. FINALIZING CONNECTIONS 1. Ensure the power switch is in the “OFF” position and all front panel volume controls are turned fully counter-clockwise. LES 820iR Classroom Amplification System A VOLUME B VOLUME TV/VCR... -
Page 23: Final Check
2. The amplifier packing material should be kept for warranty shipping purposes. 3. Proceed to initial set-up to test system performance. Leave microphones charging so they are ready for use. Microphones will need to be charged on a daily basis. 19 | 820iR User Manual... -
Page 24: Section 3: Initial Set-Up, Charging And Optional Features
8 2 0 i R U s e r M a n u a l SECTION 3 Initial Set-up, Charging and Optional Features 820iR User Manual | 20... -
Page 25: Initial Set-Up: Redmike
WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME 2. Turn on the REDMIKE. The RED IR LED on the 820iR will light to indicate a signal is being received. 3. Slip the REDMIKE with lanyard around the neck and position the top of the microphone just below the collarbone. -
Page 26: Initial Set-Up: Optional
8 2 0 i R U s e r M a n u a l INITIAL SET-UP: OPTIONAL LT-71 LES 820iR Classroom Amplification System 1. Turn the 820iR power switch to A VOLUME B VOLUME TV/VCR CD/DV the ON position. The RED LED on the switch will glow. -
Page 27: Initial Set-Up: Optional
8 2 0 i R U s e r M a n u a l INITIAL SET-UP: OPTIONAL HM-70 LES 820iR Classroom Amplification System 1. Ensure the 820iR is ON. The RED A VOLUME B VOLUME TV/VCR CD/DV LED on the power switch will glow. -
Page 28: Charging The Redmike
Replacement AA 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. 820iR User Manual | 24... -
Page 29: Charging The Optional
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... -
Page 30: Charging The Optional
GREEN light will turn off when fully charged. Helpful Hint 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 not covered by the warranty.) 820iR User Manual | 26... -
Page 31: Output To Personal Fm Transmitter
NOTE: This is to set the maximum allowable signal from the 820iR. the 820iR and ALD turned on, speak into 5. With the REDMIKE and slowly adjust the ALD volume control until the appropriate audio level is attained in the ALD’s receiver headphones. -
Page 32: Using The Redmike To Amplify External Audio Equipment
CH A does not have to be adjusted. It’s easy to REMEMBER: 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. AUDIO your laptop, MP3 2. Plug... -
Page 33: Section 4: Troubleshooting, Daily Use And Warranty
8 2 0 i R U s e r M a n u a l SECTION 4 Troubleshooting, Daily Use and Warranty 29 | 820iR User Manual... -
Page 34: Troubleshooting Guide
Full charge will last eight signal is being received at the • Confirm hours. 820iR. The IR signal light will be RED the battery contacts. Clean and • Inspect indicating a signal is being received. adjust if necessary. -
Page 35: Daily Use Instructions
8 2 0 i R U s e r M a n u a l DAILY USE INSTRUCTIONS 1. TURN ON THE 820iR LES 820iR Classroom Amplification System the power is switched on. Ensure A VOLUME B VOLUME TV/VCR CD/DVD... -
Page 36: Tips On Classroom Audio
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... -
Page 37: System Specifications
Weight ..............7.36 oz. IR SENSOR SPECIFICATIONS Working Range ............. Up to 1600 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. 33 | 820iR User Manual... -
Page 38: Individual Components And Optional Accessories
8 2 0 i R U s e r M a n u a l 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 IR-SR70F bracket CA-PC50F Plenum sensor cable (50 ft.) REDMIKE classroom microphone... -
Page 39: User Notes
8 2 0 i R U s e r M a n u a l USER NOTES Record your system serial numbers and purchase information. This is helpful when ordering additional components, accessories, and/or warranty service. Components Serial Number 820iR Microphones Purchase Information Your School/Organization District Purchase Date Invoice 35 | 820iR User Manual... - Page 40 8 2 0 i R U s e r M a n u a l USER NOTES 820iR User Manual | 36...
- Page 41 8 2 0 i R U s e r M a n u a l USER NOTES 37 | 820iR User Manual...
- Page 42 MN0043US01-2 Li g h tsp e e d Te c hno lo gie s, Inc . 11 5 0 9 S W H e rman Rd Tual at i n, OR 9 7 0 62 8 0 0 . 7 3 2 . 8 9 9 9 ww w.
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