Agilent Technologies 54831A User's Quick Start Manual page 85

Using the Oscilloscope
To adjust the vertical offset
Figure 3-31
Click to access the
Channel Setup dialog,
then set vertical offset
using the spin box or
numeric keypad...
Adjusting Vertical Offset
3-42
...or click on the
ground reference
indicator and drag it
up or down to
change the vertical
offset...
...or click on the
waveform and drag it
up or down to do the
same thing.