INFRARED CLASSROOM AMPLIFICATION SYSTEM USER'S MANUAL 780iR

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Input from External
Audio Equipment
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


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 
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 
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 
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 
 
 
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 
Output to Personal
FM Transmitter

 
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 
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 
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 
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 
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 

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 
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 
Speaker Control



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
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





Turning Speakers On and Off

 
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 

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 
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 

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 
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  
 
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 
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 
 
Controlling the Volume of
the Individual Speakers








  
 

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 

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 
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  
 
Turning speaker volume too high can result in
feedback when walking under speaker.
6. LightMic Microphone/
Transmitter

 
 

  
  
   
  
  
   
   
  
  
7. Testing
 
 

 

 

 
  

  

  

  

  

   
  

  
[ note: ]
e system can generate feedback (a squealing
or howling sound) if there is too much volume
or the equalization (EQ) levels are incor
-
rectly set. Adjust the three EQ level knobs if
necessary to eliminate feedback and to obtain
a natural sound.
  

  

  

  

  
   
  

[5]