Offset adjustment

[radiofarol]

Does someone tell me why the system graphic of my detector show always a offset of + 50/60mV from zero? Can I adjust this anywhere? In the web interface, a can`t find any adjustment for this! It`s seem any wrong value in the ADC. 

• Sampling per InputResolution: 12bits, Period: 666ns = 500.0kSPS, Time: 2000ns
  
  
• ADC1
  
  • Input1 Amp-Channel 3 , Offset 26mV, no Trigger
    
  • Input2 Amp-Channel 4 , Offset 30mV, Trigger -90mV/90mV
    
• ADC2
  • Input1 Amp-Channel 2 , Offset 30mV, Trigger -95mV/95mV
    
  • Input2 Amp-Channel 3 , Offset 25mV, no Trigger
    
• ADC3
  • Input1 Amp-Channel 1 , Offset 39mV, Trigger -95mV/95mV
    
  • Input2 Amp-Channel 2 , Offset -151mV, no Trigger
    
    
    
• Thanks for your help!
  

Carlos Mourato

ST ID 1846