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• Fine adjustment: Use the icons at the right side of Scale or rotate the knob to
further adjust the vertical scale within a relatively smaller range to improve
vertical resolution. If the amplitude of the input waveform is a little bit greater
than the full scale under the current scale but a little bit lower if the next scale is
used, fine adjustment can be used to improve the amplitude of waveform
display to view signal details.
• Coarse adjustment: Use the icons at the right side of Scale or rotate the knob to
adjust the vertical scale in a 1-2-5 step sequence, i.e. 500 μV/div, 1 mV/div, 2
mV/div, 5 mV/div, 10 mV/div...10 V/div.
5.3 To Adjust the Vertical Offset
Vertical offset indicates the offset of the signal ground level position of the waveform
from the vertical center of the display. Its unit is consistent with the currently selected
amplitude unit (refer to
To Specify the Amplitude Unit
). Adjusting the vertical offset
moves the corresponding channel's waveform up and down. The vertical offset
information (as shown in the following figure) in the channel status label at the
bottom of the screen will change accordingly.
The adjustable range of the vertical offset is related to the current probe ratio and
vertical scale.
When CH1 is turned on and activated, you can adjust the vertical offset in the
following ways.
• Rotate the Vertical POSITION knob at the right section of the front panel to
adjust the vertical offset within the adjustable range. Rotate this knob clockwise
to increase the vertical offset or rotate it counterclockwise to reduce the vertical
offset. Pressing the knob can quickly reset the vertical offset (set the vertical
offset to 0).
• Enable the touch screen function, and then adjust the vertical offset with the
drag gesture. For details, refer to
Drag
.
• In Vertical menu, click or tap the Up/Down arrow icon at the right side of the
input field of Offset to increase or decrease the offset value or use the
corresponding multipurpose knob to set the value. You can also click or tap the
input field to input a specific value with the displayed numeric keypad.
Vertical System
DHO1000 User Guide
42
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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