Why Can't the DL9000 / SB5000 Display Harmonics?

Please make sure to set Time/Div to a setting which will display a minimum of sixteen (16) Cycles.     
To setup the instrument for harmonic analysis:
  1. Press the WINDOW1 key
  2. Press the Type soft key
  3. Select Harmonics
  4. Turn the T/Div knob until it is at least 16 cycles (IEC harmonics requires 16 cycles minimum)    

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