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LightSpeed Technologies 820iR manual

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Table of contents for the manual

  • Page 1

    LightSPEED 820iR Classr oom Amplification System User Manual LightSPEED T echnologies, Inc. 11509 SW Herman Rd T ualatin, OR 97062 800.732.8999 www .lightspeed-tek.com[...]

  • Page 2

    S AFETY INSTRUCTIONS 1. Read Instructions— All the safety and operation instructions should be read befor e this LightSPEED product is operated. 2. Retain Instructions— The safety and operating instructions should be k ept for future r efer ence. 3. Heed W arning— All warnings on this LightSPEED product and in these instructions should be fol[...]

  • Page 3

    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 820iR User Manual | 20 820iR User Manual 820iR User Manual A CH B OFF ON TURN ON THE 820iR TURN ON THE LIGHTMIC Unplug the LightMic from the charging cable and place it ar ound your [...]

  • Page 4

    Safety Instructions Daily Use Instructions 820iR Classroom Amplification System System Components System Installation Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement IR Sensor Installation Suspended Ceiling Mount W all/Solid Ceiling Mount Speak er Installation F ront P anel Controls R ear P anel Contr ols LightMic C[...]

  • Page 5

    P ower Output 12 W per channel (24 W total) Amplifier F requency R esponse 40 Hz to 20 kHz ±3 dB Carrier F requencies (IR) 2.06/2.54; 3.2/3.7 MHz Signal-to-Noise Ratio > 73 dB Dynamic Range > 73 dB Maximum Deviation ±50 dB R eceiver T ype Superheter odyne R eceiver Sensitivity 6 µV for 60 dB S/N Image and Sp urious Rejection > 70 dB Di[...]

  • Page 6

    820iR User Manual | 2 17 | 820iR User Manual 820iR User Manual 820iR User Manual LT - 7 1 820iR Infrared Receiver/Amplifier L T -71 LightMic™ T ransmitter SR-70F Infrared Sensor Sensor Cable Optional HM-70 Handheld Microphone Speakers and Speaker Wire Helpful Hint SYSTEM COMPONENTS Power Supply Keep ALL packaging materials. If the system must be[...]

  • Page 7

    SYSTEM INST ALL A TION Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement Place the 820iR on a flat surface lik e a bookcase, countertop or optional Light- SPEED wall shelf (part#AC-800WB). • Select a location that is close to a standard wall electrical outlet. • Wires will be routed back to the amplifier, so sele[...]

  • Page 8

    1. Lift the ceiling tile nearest the grid rail in your desir ed sensor location. Guide one side of the C-clip over one edge of the grid rail. P roviding firm support to the back of the grid rail with one hand (to prevent bending), firmly and car efully snap the second side of the C-clip over the edge of the rail. 2. Uncoil sensor wire. Connect on[...]

  • Page 9

    FRONT P ANEL CONTROLS 5 | 820iR User Manual 820iR User Manual | 14 820iR User Manual 820iR User Manual 1. POWER Switch/POWER Indicator: This switch is used to turn the 820iR ON (switch up), or OFF (switch down). When the POWER switch is in the ON position, the red POWER light will glow . 2. IR Indicators (IR): These lights will glow red when the co[...]

  • Page 10

    820iR User Manual | 6 13| 820iR User Manual 820iR User Manual 820iR User Manual SPEAKER OUTPUTS 250 4 00 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2.06/2.54 1. SPEAKER OUTPUTS (1–4): These binding post connectors are used to connect the 820iR to the loudspeak ers. Depen[...]

  • Page 11

    7 | 820iR User Manual 820iR User Manual |12 820iR User Manual 820iR User Manual 1. ON/OFF/MUTE Switch: This switch, located on the side of the LightMic, turns the unit on or off/mute. 2. Channel Select Switch (CH A/B): This switch allows for selection between Channel A or B. If you are using a single microphone/transmit- ter for your system, we rec[...]

  • Page 12

    2. Ensure speak er wire connections are secure and not frayed. 1 2 SPEAKER OUTPUTS 250 40 0 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2.06/2.54 POWER A VOLUME B VOLUME TV/VCR CD/DVD ASSISTIVE LISTENING IR IR AF AF WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME L[...]

  • Page 13

    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 9 | 820iR User Manual 820iR User Manual | 10 820iR User Manual 820iR User Manual SYSTEM OPER A TION TURNING THE SYSTEM ON 4. While speaking in a normal voice, increase the A V OLUME [...]

  • Page 14

    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 9 | 820iR User Manual 820iR User Manual | 10 820iR User Manual 820iR User Manual SYSTEM OPER A TION TURNING THE SYSTEM ON 4. While speaking in a normal voice, increase the A V OLUME [...]

  • Page 15

    2. Ensure speak er wire connections are secure and not frayed. 1 2 SPEAKER OUTPUTS 250 40 0 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2.06/2.54 POWER A VOLUME B VOLUME TV/VCR CD/DVD ASSISTIVE LISTENING IR IR AF AF WIRELESS MICROPHONE VOLUME AUDIO INPUT VOLUME ALD VOLUME L[...]

  • Page 16

    7 | 820iR User Manual 820iR User Manual |12 820iR User Manual 820iR User Manual 1. ON/OFF/MUTE Switch: This switch, located on the side of the LightMic, turns the unit on or off/mute. 2. Channel Select Switch (CH A/B): This switch allows for selection between Channel A or B. If you are using a single microphone/transmit- ter for your system, we rec[...]

  • Page 17

    820iR User Manual | 6 13| 820iR User Manual 820iR User Manual 820iR User Manual SPEAKER OUTPUTS 250 4 00 70 0 1K 1K4 2K5 4K 6K3 +1 0 0 -1 0 AUDIO INPUT CHARGERS DC POWER TV/VCR CD/DVD L L R R 24V DC SENSOR INPUT SENSOR SHORT 2.06/2.54 1. SPEAKER OUTPUTS (1–4): These binding post connectors are used to connect the 820iR to the loudspeak ers. Depen[...]

  • Page 18

    FRONT P ANEL CONTROLS 5 | 820iR User Manual 820iR User Manual | 14 820iR User Manual 820iR User Manual 1. POWER Switch/POWER Indicator: This switch is used to turn the 820iR ON (switch up), or OFF (switch down). When the POWER switch is in the ON position, the red POWER light will glow . 2. IR Indicators (IR): These lights will glow red when the co[...]

  • Page 19

    1. Lift the ceiling tile nearest the grid rail in your desir ed sensor location. Guide one side of the C-clip over one edge of the grid rail. P roviding firm support to the back of the grid rail with one hand (to prevent bending), firmly and car efully snap the second side of the C-clip over the edge of the rail. 2. Uncoil sensor wire. Connect on[...]

  • Page 20

    SYSTEM INST ALL A TION Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement Place the 820iR on a flat surface lik e a bookcase, countertop or optional Light- SPEED wall shelf (part#AC-800WB). • Select a location that is close to a standard wall electrical outlet. • Wires will be routed back to the amplifier, so sele[...]

  • Page 21

    820iR User Manual | 2 17 | 820iR User Manual 820iR User Manual 820iR User Manual LT - 7 1 820iR Infrared Receiver/Amplifier L T -71 LightMic™ T ransmitter SR-70F Infrared Sensor Sensor Cable Optional HM-70 Handheld Microphone Speakers and Speaker Wire Helpful Hint SYSTEM COMPONENTS Power Supply Keep ALL packaging materials. If the system must be[...]

  • Page 22

    P ower Output 12 W per channel (24 W total) Amplifier F requency R esponse 40 Hz to 20 kHz ±3 dB Carrier F requencies (IR) 2.06/2.54; 3.2/3.7 MHz Signal-to-Noise Ratio > 73 dB Dynamic Range > 73 dB Maximum Deviation ±50 dB R eceiver T ype Superheter odyne R eceiver Sensitivity 6 µV for 60 dB S/N Image and Sp urious Rejection > 70 dB Di[...]

  • Page 23

    Safety Instructions Daily Use Instructions 820iR Classroom Amplification System System Components System Installation Unpacking Y our System Location of the R eceiver/Amplifier IR Sensor Placement IR Sensor Installation Suspended Ceiling Mount W all/Solid Ceiling Mount Speak er Installation F ront P anel Controls R ear Panel Contr ols LightMic Co[...]

  • Page 24

    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 820iR User Manual | 20 820iR User Manual 820iR User Manual A CH B OFF ON TURN ON THE 820iR TURN ON THE LIGHTMIC Unplug the LightMic from the charging cable and place it ar ound your [...]

  • Page 25

    S AFETY INSTRUCTIONS 1. Read Instructions— All the safety and operation instructions should be read befor e this LightSPEED product is operated. 2. Retain Instructions— The safety and operating instructions should be k ept for future r eference. 3. Heed W arning— All warnings on this LightSPEED product and in these instructions should be foll[...]

  • Page 26

    LightSPEED 820iR Classr oom Amplification System User Manual LightSPEED T echnologies, Inc. 11509 SW Herman Rd T ualatin, OR 97062 800.732.8999 www .lightspeed-tek.com[...]