Data Sheet

2 To Set the Vertical System RIGOL
MSO4000/DS4000 User’s Guide
2-9
Vertical Expansion
When using VERTICAL
SCALE to change the vertical scale of the analog
channel, you can choose to expand or compress the signal vertically around the
center of the screen or the ground point of the signal.
Press Utility  System  VerticalExp to select “Center” or “Ground” and the
default is “Ground”.
 Center: when the vertical scale is modified, the waveform will expand or
compress around the center of the screen.
 Ground: when the vertical scale is modified, the waveform ground level will
remain at the same point on the screen and the waveform will expand or
compress around this point.
Amplitude Unit
Select the amplitude display unit for the current channel. The available units are W, A,
V and U. When the unit is changed, the unit displayed in the channel label will
change accordingly.
Press CH1  Unit to select the desired unit and the default is V.