RIGOL Chapter 2 To Set the Vertical System
2-4 DS8000-R User Guide
The adjustable range of the vertical offset is related to the current input impedance,
probe ratio, and vertical scale.
When CH1 is turned on, you can adjust the vertical offset with the following method:
Click the channel status label at the bottom of the screen. The following window is
displayed. Click on the icon at the right side of the Offset input field to
decrease or increase the offset. You can also click the Offset input field to input a
specific value with the displayed numeric keypad.
Channel Coupling
The undesired signals can be filtered out by setting the coupling mode. For example,
the signal under test is a square waveform with DC offset.
âš« When the coupling mode is "DC": the DC and AC components of the signal under
test can both pass the channel.
âš« When the coupling mode is "AC": the DC components of the signal under test
are blocked.
âš« When the coupling mode is "GND", the DC and AC components of the signal
under test are both blocked.
Click Coupling in the channel setting menu to select the coupling mode. The
available coupling modes include DC, AC, and GND. The current coupling mode is
displayed in the channel status label at the bottom of the screen, as shown in the
figure below.
DC AC GND
Note:
⚫ When the input impedance is set to "50 Ω", the channel coupling is set to DC
coupling by force, and the Coupling menu is grayed out and cannot be
modified.
⚫ When the coupling mode is "AC", the input impedance is set to 1 MΩ by force,
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