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Refer to the drawing below to set programming jumpers.  Jumpers are shown in factory default settings.                        

 

JP3: LOCAL AUDIO LINKING
JP4: RETRN AUDIO LINKING
JP7: TB BUS 

    JP1: MIC OUTPUT LEVEL 
 
 
 
 
 
 
 
 
 
      JP2: TALKBACK LEVEL 
 
 
JP7: MONO/STEREO MODE 

TYPICAL INSTALLATIONS illustrating “one-way” and duplex Talkback 

 

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