RIGOL  Chapter 2 Vertical System Setting 
2-4  MSO4000/DS4000 User’s Guide 
To Adjust the Vertical Position 
 
The vertical position refers to the position of the ground level of the waveform 
relative to the screen center in the vertical direction. The adjustable range of the 
vertical position is related to the current input impedance, probe ratio and vertical 
scale (refer to "Specifications"). The unit is the same as the amplitude unit 
currently selected (refer to "To Specify the Amplitude Unit"). 
 
Press CH1 and its backlight is illuminated; then, turn VERTICAL 
  POSITION
 
corresponding to CH1 to adjust the vertical position of the channel waveform within 
the adjustable range.  
  Turn the knob clockwise to increase the vertical position and counterclockwise to 
reduce the vertical position. 
  Press this knob to quickly reset the vertical position to 0.  
 
When modifying the vertical position, the waveform of the corresponding channel 
moves up and down; the vertical position information (as shown in the figure below) 
pops up at the lower-left side of the screen in real-time.  
 
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