Automatic Notch Filter

• 1). Click the DSP button on the tool bar to bring up the DSP component.
  
  
• 2). Push the DSP button to turn the DSP function on. The button toggles and the light illuminates when on.
  
  
• 3). Push the ANF, or Automatic Notch Filter to turn ANF on. The ANF light will illuminate.
  
  

Noise Reduction

• 1). Click on the DSP button on the tool bar to bring up the DSP component.
  
  
• 2). Push the DSP button to turn the DSP function on. The button toggles and the light illuminates when on.
  
  
• 3). Push the NR, or Noise Reduction button to turn NR on. The NR light will illuminate. Then rotate the NR knob for the most readability. Noise reduction is increased as you turn the knob clockwise.