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RIGOL Chapter 7 Digital Channel
7-8 MSO2000A/DS2000A User’s Guide
Digital Channel Delay Calibration
When using the oscilloscope for actual measurement, the transmission delay of the
probe cable may cause relatively larger error (zero offset). Zero offset is defined as
the offset of the crossing point of the waveform and threshold level line relative to
the trigger position. For MSO2000A, users can set a delay time to calibrate the zero
offset of the digital channels.
Press LA ïƒ Delay-Cal and rotate to set the delay calibration time. The range is
from -100 ns to 100 ns.
Note: This parameter is related to the instrument model and the current horizontal
time base. The larger the horizontal time base is, the larger the setting step will be.
Tak e 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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