Digital Storage Oscilloscope 5
the PROBE COMP Ground connector. Display the channel and then press the
AUTOSET button.
2. Check the shape of the displayed waveform.
3. If necessary, use a nonmetallic screwdriver to adjust the variable capacity of your
probe until the shape of the waveform turns to be the same as the above figure.
Repeat this step as necessary. See the figure below for the way of adjustment.
1.5.4 Probe Attenuation Setting
Probes are of various attenuation factors which affect the vertical scale of the signal.
The Probe Check function is used to verify if the Probe attenuation option matches the
attenuation of the probe.
As an alternative method to Probe Check, you can push a vertical menu button (such
as the CH 1 MENU button) and select the Probe option that matches the attenuation
factor of your probe.
Make sure that the Attenuation switch on the probe matches the Probe option in the
oscilloscope. Switch settings are 1X and 10X.
When the Attenuation switch is set to 1X, the probe limits the bandwidth of the
oscilloscope to 6MHz. To use the full bandwidth of the oscilloscope, be sure to set the
Compensated correctly
Overcompensated
Undercompensated
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