In a message dated 06-12-15, Ed Vance said to Holger Granholm:   
      
   GM Ed,   
      
    HG> Usually there is a dip switch on the rear panel where you can   
    HG> chose various parameters, among them BEEP ON/OFF.   
      
   EV> I'm not sure if Tripp-Lite put a switch for that on my UPS, I didn't   
   EV> see one when I used a mirror to look at the back of the unit just   
   EV> now.   
      
   My statement may have been too general.   
   My only experience with UPS's is APC.   
      
   EV> There is a variable resistor (Pot) labeled NORM---DELAY on the back   
   EV> but I don't remember if that controls the beeping or what.   
      
   Probably not. When I buy an appliance I always file its documents in a   
   place where I know to look for them.   
      
   73 de Sam, OH0NC   
      
   aka Holger   
      
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