14
N2893A 100 MHz Current Probe User’s Guide
N2893A Probe
Demagnetization and Zero Offset
1
Set the channel offset to 0V for the oscilloscope channel to which the probe is
connected.
2
Ensure that the probe sensor is NOT clamped around any conductors.
3
Slide the probe’s Opening Lever into the
Locked
position as shown in
Figure 5
.
Figure 5
Use the Opening Lever
4
Press the probe’s
DEMAG
button shown in
Figure 1
on page 9. A demagnetization
waveform will be displayed for a short time on the channel to which the probe is connected.
Wait until this waveform is no longer displayed.
5
On Infiniium oscilloscopes:
a
Click
Setup
>
Probe Calibration
.
b
Click the
AutoZero
button to automatically start the demagnetization
followed by the zero offset routine.
c
Follow the on-screen instructions.
6
On InfiniiVision oscilloscopes:
a
Press the scope’s channel button (1, 2, 3, or 4) for the channel you are using.
b
Click the
Probe
softkey (under the display) and then press the key to
automatically start the demagnetization and zero offset process.
c
Follow the on-screen instructions.
NOTE
Allow both the oscilloscope and probe to warm up for at least 30 minutes before
making these adjustments.