Instruction/ maintenance manual of the product 780iR LightSpeed Technologies
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T able of Contents LES 780iR Infrared Classroom Amplification System: Overview LES 780iR System Components System Installation: 1. Unpacking 2. Location 3. Speaker(s) 4. Receiver/Amplifier 5. IR Sensor Placement a. Suspend ed Ceiling Mount b. Wall or Solid Ceiling Mount 6.
LES 780iR Infrared Classroom Amplification System: Overview .
LES 780iR Classroom Amplification System Components: Power Supply SR-70 Infrared Sensor Cable SR-70 Infrared Sensor V arious speakers are available and ar e typically shipped in a separate bo x with plenum-rated speaker wir e.
System Installation 1. Unpacking Y our System .
5. IR Sensor Placement .
[14] Input from External Audio Equipment .
Front Panel Controls .
[12] .
Operating the LightMic .
Ho wever , do not leave the LightMic plugged into the charger for more than 10 days, as it will significantly shorten battery life. .
Ho wever , do not leave the LightMic plugged into the charger for more than 10 days, as it will significantly shorten battery life. 6. Once the batteries are charged, remove the charging cable from the LightMic. 7. NiMH batteries will maintain their charge for a full day of normal classroom use.
Operating the LightMic a. e LightMic has a built-in microphone. Once the transmitter is switched on, the microphone is activated. b. e LightMic may be used as a hand- held mic or a hands-free pendent style microphone by clipping the LightMic on the supplied lavaliere cord.
[12] 1. SPEAKERS (1-6) V olume Controls: ese knobs control the output volume of each corresponding speaker . e volume level is preset in the middle position at the factor y . LightSPEED recommends leaving the volumes at this level for uniform sound throughout the classroom.
Front Panel Controls 1. PO WER S witch/PO WER I ndicator: is switch is used to turn the LES 780iR ON (switch up), or OFF (switch down). When the POWER switch is in the ON position, the red PO WER light will glow . 2. IR 1/IR 2: e IR indicators (IR 1/IR 2) will glow red when the corresponding microphone is turned on.
[14] Input from External Audio Equipment Below are instructions on ho w to connect an external audio device like a TV/V CR, CD/DVD, cassette player , or projector . 1. Connect an RCA cable from the audio source to one of the four (4) AUDIO INPUT jacks on the back of the LES 780iR using an RCA-type male connector .
5. IR Sensor Placement Sensor location is very important for optimum performance of the LES 780iR Classroom Amplification System. Place the sensor in a temporary location and test the system (Step 7 belo w) before choosing a permanent location.
System Installation 1. Unpacking Y our System • Ensure that you have r eceived all of the components to your system. • Locate the speaker installation instruction sheet that is packed with your speakers. • Keep ALL packaging materials. If the system must be returned, it will be quick, convenient and undamaged.
LES 780iR Classroom Amplification System Components: Power Supply SR-70 Infrared Sensor Cable SR-70 Infrared Sensor V arious speakers are available and ar e typically shipped in a separate bo x with plenum-rated speaker wir e.
LES 780iR Infrared Classroom Amplification System: Overview e LES 780iR Infrared Classroom Amplification System includes the LES 780iR receiver/amplifier , L T -70 Light Mic™ microphone/transmitter , SR-70 infrared sensor and speaker package.
T able of Contents LES 780iR Infrared Classroom Amplification System: Overview LES 780iR System Components System Installation: 1. Unpacking 2. Location 3. Speaker(s) 4. Receiver/Amplifier 5. IR Sensor Placement a. Suspend ed Ceiling Mount b. Wall or Solid Ceiling Mount 6.
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An important point after buying a device LightSpeed Technologies 780iR (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 780iR 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 780iR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LightSpeed Technologies 780iR you will learn all the available features of the product, as well as information on its operation. The information that you get LightSpeed Technologies 780iR will certainly help you make a decision on the purchase.
If you already are a holder of LightSpeed Technologies 780iR, 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 780iR.
However, one of the most important roles played by the user manual is to help in solving problems with LightSpeed Technologies 780iR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LightSpeed Technologies 780iR 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
