Instruction/ maintenance manual of the product 820iR LightSpeed Technologies
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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.
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.
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 Use.
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 I.
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 > .
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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 > .
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 I.
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 Use.
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.
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.
An important point after buying a device LightSpeed Technologies 820iR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LightSpeed Technologies 820iR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LightSpeed Technologies 820iR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LightSpeed Technologies 820iR you will learn all the available features of the product, as well as information on its operation. The information that you get LightSpeed Technologies 820iR will certainly help you make a decision on the purchase.
If you already are a holder of LightSpeed Technologies 820iR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LightSpeed Technologies 820iR.
However, one of the most important roles played by the user manual is to help in solving problems with LightSpeed Technologies 820iR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LightSpeed Technologies 820iR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
