Promax OD-610 User Manual page 27

Figure 16. DC Coupling Oscillogram.
Figure 17. AC Coupling Oscillogram.
To adjust the probe attenuation
►
For correct measurements, the attenuation coefficient settings in the
operating menu of the Channel should always match what is on the probe.
If the attenuation coefficient of the probe is 1:1, the menu setting of the
input channel should be set to X1.
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Page June 2017