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Probe Offset Adjustment
The N2804A/N2805A differential probes can be adjusted for zeroing out the
probe's offset voltage using the trimmer tool supplied with the probe. Follow the
procedure shown below to perform the offset zero calibration.
Allow the oscilloscope and probe to warm up for 20 minutes before performing the
N OTE
adjustment.
1
Connect the probe to an oscilloscope channel input. Turn on the oscilloscope and
wait 20 minutes to allow the oscilloscope and probe to warm up.
2
If the oscilloscope needs calibration, perform a user calibration before the probe
calibration.
3
Using the probe's hook tips, short the + and - probe inputs together as shown in
Figure
Figure 7
4
Press Default setup and AutoScale of the oscilloscope.
5
Press the channel button for the probe, and set the oscilloscope channel to DC
coupled mode.
N2804/5A Differential Probes User's Guide
7.
Adjusting the Offset Using the Supplied Tool
Probe Offset Adjustment
15
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