User manual

Chapter 2 To Set the Vertical System RIGOL
MSO2000A/DS2000A User’s Guide 2-7
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 be expanded or
compressed around the center of the screen.
 Ground: when the vertical scale is modified, the waveform will be expanded or
compressed around the ground level.
Amplitude Unit
Select the amplitude 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 status label will
change accordingly. Press CH1  Unit to select the desired unit and the default is V.
Channel Label
The instrument uses the number of the channel (
) to mark the corresponding
channel by default. For ease of use, you can also set a label for each channel, for
example,
.
Note: The user-defined label can include uppercase English letters (from A to Z),
lowercase English letters (from a to z), numbers (from 0 to 9), underline and space;
the length of the label cannot exceed 4 characters.
For example, change “ ” to “ ”. Press CH1 Label to enter the label
modification interface. Press Keyboard to select the “Keyboard” area. Select “
A
a”
using
and press down to switch it to “
a
A”. Select “C” using and press
down
to input the character. Use the same method to input “hn1”.