RIGOL  Chapter 6 Operations and Measurements 
6-50  MSO4000/DS4000 User’s Guide 
The adjustable range is limited within the screen. The two crossing points 
are marked by an orange rectangle (cursor A) and an orange rhombus 
(cursor B) respectively.  
 
Note: When any of CursorA, CursorB and CursorAB is currently selected, 
you can turn the multi-function knob 
 continuously to quickly switch among 
the three items. 
 
Measurement Example: 
 
Use cursor A and cursor B to measure the waveforms of CH1 and CH2 respectively. 
You would discover that the cursors would track the marked points when the 
waveforms are expanded horizontally. 
 
Track measurement (before horizontal expansion): 
 
Track measurement (after horizontal expansion): 
 
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