Rigol DHO812 DHO800 series user manual

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Attenuation

(display amplitude of the signal: actual

amplitude of the signal)

50000X 50000:1

TIP

The oscilloscope auto-recognizes certain probes with a fixed attenuation ratio. After that, the

probe ratio will also be auto recognized to save you from configuring it manually.

Go Back to the Vertical Menu

In the

Probe setting menu, click or tap Vertical to go back to the Vertical menu.

5.9 To Specify the Amplitude Unit

Click or tap the channel status label at the bottom of the screen, and then the

Vertical menu is displayed. Click or tap the Unit drop-down button to select W, A, V,

or U. The default unit is V.

Changing the amplitude unit also changes the units of the functions related to the

channel accordingly.

5.10 To Adjust 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.

In the "Vertical" menu, click or tap the Up/Down arrow icon at the right side of the

input field of

Bias to increase or decrease the bias value. You can click or tap the input

field to set the value with the pop-up numeric keypad. You can also use the

corresponding multipurpose knob to set the value.

Value Input Area

Decrease Increase

Vertical System

DHO800 User Guide

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Rigol DHO812 oscilloscope