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How to Implement the Probe Compensation
When connect the probe with any input channel for the first time, make this
adjustment to match the probe with the input channel. The probe which is not
compensated or presents a compensation deviation will result in the measuring error
or mistake. For adjusting the probe compensation, please carry out the following
steps:
1. Set the attenuation coefficient of the probe in the menu as 10X and that of the
switch in the probe as 10X (see "How to Set the Probe Attenuation Coefficient"
on P14), and connect the oscilloscope probe with the CH1 channel. If a probe
hook tip is used, ensure that it keeps in close touch with the probe. Connect the
probe tip with the signal connector of the probe compensator and connect the
reference wire clamp with the ground wire connector of the probe connector, and
then press the button "Autoset".
2. Check the displayed waveforms and regulate the probe till a correct
compensation is achieved (see Fig.4-8 and Fig.4-9).
Overcompensated
Fig. 4-8 Displayed Waveforms of the Probe Compensation
3.
Repeat the steps mentioned if necessary.
How to Set the Probe Attenuation Coefficient
The probe has several attenuation coefficients, which will influence the vertical scale
factor of the oscilloscope.
To change or check the probe attenuation coefficient in the menu of oscilloscope:
(1) Press the function menu button of the used channels (CH1 MENU or CH2
User Manual of Smart Digital Storage Oscilloscope
Compensated correctly
Fig. 4-9 Adjust Probe
Under compensated
14
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