About the COM3 button

   
         
   

40 channel UHF FM Transceiver

   
   

 

   
    Pressing the COM3 button monitors the Com 3 receiver output.    
   

If COM3 MIC is selected, the COM3 button has no additional effect.

   
         
    If COM1 MIC is selected, pressing COM3 simultaneously monitors Comms 1 & 3 and allows transmission on Com 1    
    If COM2 MIC  is selected, pressing COM3 simultaneously monitors Comms 2 & 3 and allows transmission on Com 2    
         
   

Not recommended for general use due to interference with many stations