Agilent Technologies 54835A, Service Manual, Page: 46 / 208

Chapter 3: Testing Performance
To test voltage measurement accuracy
3–8
Figure 3-4
Voltage Measurement Accuracy Equipment Setup
2
Press Default Setup to set the oscilloscope to default conditions.
3
Set all channels to dc using the Coupling key and to 1 M
Ω
input impedance using the
Input key.
4
Using the mouse, enable the graphical interface.
5
Select Acquisition from the Setup menu.
6
Select Equivalent Time sampling mode. Enable Averaging. Set the # of Averages to 32,
either using the spin box or the numeric keypad dialog. Click Close.
See figure 3-5.
Figure 3-5
Acquisition Setup for Voltage Accuracy Measurement
7
Use the following table for steps 8 through 15.
Select Equivalent Time
sampling mode
Enable averaging
Set the number of
averages to 32
Leave Memory Depth
on Automatic