RIGOL  Chapter 2 Front Panel Operation 
User’s Guide for DSA800/E Series 
Mkr->Stop 
 
Set the stop frequency of the analyzer to the frequency of the current marker. 
  If Normal marker is selected, the stop frequency will be set to the frequency 
of the current marker.  
  If Delta, Delta Pair or Span Pair marker is selected, the stop frequency will 
be set to the frequency of the Delta Marker. 
  The function is invalid in Zero span mode.  
 
 
Mkr->Ref 
 
Set the reference level of the analyzer to the amplitude of the current marker.  
  If Normal marker is selected, the reference level will be set to the amplitude 
of the current marker.  
  If Delta, Delta Pair, or Span Pair marker is selected, the reference level will 
be set to the amplitude of the Delta Marker.  
 
 
MkrΔ->CF 
 
Set the center frequency of the analyzer to the frequency difference between the 
two markers in Delta, Delta Pair, or Span Pair marker type. 
  If Normal marker is selected, this function is invalid. 
  The function is invalid in Zero span mode. 
 
 
MkrΔ->Span 
 
Set the span of the analyzer to the frequency difference between the two markers 
in Delta, Delta Pair or Span Pair marker type. 
  If Normal marker is selected, this function is invalid. 
  The function is invalid in Zero span mode.