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5.4 To Specify Channel Coupling

You can remove unwanted signals by setting the coupling mode. For example, the

signal under test is a square waveform with DC offset.

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

menu is displayed. Click or tap the Coupling drop-down button to select the coupling

mode.

• When the coupling mode is "DC", the DC and AC components of the signal

under test can both pass the channel.

• When the coupling mode is "AC", the DC components of the signal under test

are blocked.

• When the coupling mode is "GND", the DC and AC components of the signal

under test are blocked.

After selecting the coupling mode, the currently selected coupling mode is displayed

in the channel status label at the bottom of the screen, as shown in the figure below.

TIP

When the input impedance is set to "50 Ω", the channel coupling is set to DC coupling by

force. The Coupling menu is grayed out and cannot be modified.

5.5 To Specify Bandwidth Limit

This oscilloscope supports the bandwidth limit function. Setting the bandwidth limit

can remove the noises in the displayed waveforms. For example, the signal under test

is a pulse with high frequency oscillation.

Vertical System

HDO1000 User Guide

Rigol HDO1000 Series User Manual

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