Rigol DHO812 DHO800 series user manual

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The range of bias is related to the vertical scale.

TIP

If the zero-cross voltage of the channel has a larger amplitude offset that exceeds the

adjustable range, please perform self-calibration for the instrument to ensure the

measurement accuracy. For details, refer to

SelfCal

5.11 To Specify the Skew

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 trigger position, as shown in the figure below.

Zero Offset

Figure 5.4 Zero Offset

In the "Vertical" menu, click or tap the

Ch-Ch Skew input field to set the channel-to-

channel skew time. The available range is from -100 ns to 100 ns, and the default is

0.00 s.

5.12 To Turn the Channel Label Display On/Off

The instrument uses the channel number to mark the corresponding channel by

default. For ease of use, you can also set a label for each channel. For example,

Click or tap the channel status label at the bottom of the screen. Then the

Vertical

menu is displayed. Click or tap the

Label on/off switch to turn the label display on or

off. You can also click or tap the label input field to input a specific name for the

channel label with the pop-up keypad.

Vertical System

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Rigol DHO812 oscilloscope