RIGOL  Chapter 2 Front Panel Operation 
User’s Guide for DSA800/E Series 
Table 2-49 Average Number for Harmo Dist Measurement 
Parameter  Description 
Default  10 
Range  1 to 1000 
Unit  N/A 
Knob Step  1 
Direction Key Step  1 
 
2.  Avg Mode 
Set the average operation mode to “Exp” or “Repeat” and the default is “Exp”. 
  When “Exp” is selected, the result is the exponential average of the 
current N (N is specified in “Avg Num”) measurement results.   
  When “Repeat” is selected, the result is the arithmetic average of the 
current N (N is specified in “Avg Num”) measurement results.  
 
3.  NO.of Harmo 
Set the number of the harmonics to measure before calculating the total 
harmonic distortion. You can use the numeric keys, knob or direction keys to 
modify this parameter.   
 
Table 2-50 Number of Harmonics for Harmo Dist Measurement 
Parameter  Description 
Default  10 
Range  2 to 10 
N/A 
Knob Step  1 
Direction Key Step  1 
 
4.  Harmonic ST 
Set the sweep time of the harmonic measurement, namely the sweep time of 
the analyzer. You can use the numeric keys, knob or direction keys to modify 
this parameter.