INFRARED CLASSROOM AMPLIFICATION SYSTEM USER'S MANUAL 780iR

Operating the LightMic
 






Place the lavaliere cord around your neck,
and adjust the length so the top of the
LightMic rests on the collar bone.
 










 


Adjusting Volume
Volume is set by adjusting the volume control
on the LES 780iR.
 



 



 






[note:]
Feedback or “squealing” may occur if the
volume is set too high. Reducing the loudness
of the speakers with the volume control
usually eliminates feedback.
Operating two microphone/
transmitters simultaneously

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


 








When the LES 780iR is receiving a signal
from the microphone/transmitters:
 



 


 


System Operation:
Powering the LES 780iR
 


 

 



 

Check that:
 



a
b
c
d
e
[11] [8]