Rigol DS2102A DS2000 serie User guide

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Chapter 2 To Set the Vertical System RIGOL

MSO2000A/DS2000A User’s Guide 2-9

Delay Calibration of the Analog Channel

When using an oscilloscope for actual measurement, the transmission delay of the

probe cable may bring relatively greater error (zero offset). Zero offset is def ined as

the offset of the crossing point of the waveform and trigger level line relative to the

trigger position, as shown in the f igure below.

Figure 2-3 Zero Offset

For MSO2000A/DS2000A, users can set a delay time to calibrate the zero offset of

the corresponding channel. Press CH1 Delay-Cal and use to set the desired

delay time. The range available is from -200 ns to 200 ns. Pressing down can

restore the delay time to 0.00 s.

Note:

This parameter is related to the instrument model and the current horizontal

time base setting. The larger the horizontal time base is, the larger the scale will be

and the larger the setting step will be.

Take MSO2302A as an example, when the

horizontal time base is 50 ns, the step is 1 ns; when the horizontal time base is 2 μs,

the step is 40 ns; when the horizontal time base is greater than or equal to 10 μs, the

delay calibration time cannot be adjusted.

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Rigol DS2102A oscilloscope