Chapter 2 Front Panel Operation  RIGOL 
User’s Guide for DSA800/E Series   
by adjusting the reference position when normalization is enabled. 
  The function of this menu is similar to that of Norm Ref Lvl. When it is 
set to 0%, the normalization reference level is displayed at the bottom of 
the screen grid and at the top when it is set to 100%.  
  You can use the numeric keys, knob or direction keys to modify this 
parameter. For more details, please refer to “Parameter Setting”.  
 
Table 2-27 TG reference position 
Parameter  Explanation 
Default  100% 
Range  0% to 100% 
Unit  % 
1% 
10% 
 
5.  Ref Trace 
Set whether to display the reference trace or not. If “View” is selected, the 
reference trace saved (Trace 3) will be shown in “Freeze” type.  
 
Note: When normalization is enabled, the unit of Y-axis is “dB” and will not be 
influenced by the definition in AMPT  Units. At this point, “(dB)” is 
displayed under the Y-axis scale in the user interface.