Rigol MSO8154A Rigol MSO8000A series user guide

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5.12 Channel Delay

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

probe cable may bring relatively greater errors (zero offset). This series oscilloscope

allows you to set a delay time for calibrating the zero offset of the corresponding

channel. Zero offset is defined as the offset of the crossing point of the waveform and

trigger level line relative to the trigger position, as shown in

Figure 5.2

Figure 5.2 Zero Offset

Press > More > CH-CH Skew, rotate the multifunction knob or use the

numeric keypad to set the desired delay calibration time. The available range of the

delay calibration time is from -100 ns to 100 ns.

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 setting step will be.

5.13 To Set the Bias

When you use an oscilloscope to make actual measurements, a small offset that arises

from the temperature drift of the component or external environment disturbance

may occur on the zero-cross voltage of the channel, which will affect the

measurement results of the vertical parameters. This series oscilloscope allows you to

set an offset calibration voltage for calibrating the zero point of the corresponding

channel, so as to improve the accuracy of the measurement results.

To Set the Vertical System

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Rigol MSO8154A oscilloscope