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Math Operation
•
In Vertical menu, rotate the corresponding multipurpose knob on the front
panel or click or tap the icon at the right side of the input field of Offset to
increase or decrease the scale value. You can also click or tap the input field to
input a specific value with the displayed numeric keypad.
•
Close the menu and then adjust the vertical offset with the drag gesture on the
touch screen. You can also rotate the corresponding multipurpose knob on the
front panel to adjust the vertical offset. Please refer to
configure the front-panel multipurpose knobs.
Invert
Invert is used to enable or disable the inverted display of the waveform. For setting
methods, refer to descriptions in
Waveform
This oscilloscope supports Main (default) and Zoom.
•
Main indicates that the measurement range is within the main time base region.
•
Zoom indicates that the measurement range is within the zoomed time base
region.
To use "Zoom", first enable the
Horizontal System
(
Frequency Limit
•
LowPass: click or tap the ωc input field and use the pop-up numeric keypad to
set the upper limit frequency or use the corresponding multipurpose knob to set
the value.
•
HighPass: click or tap the ωc input field and use the pop-up numeric keypad to
set the lower limit frequency or use the corresponding multipurpose knob to set
the value.
•
BandPass: click or tap the ωc1 input field and use the pop-up numeric keypad
to set the lower limit frequency. Click or tap the ωc2 input field and use the pop-
up numeric keypad to set the upper limit frequency. You can also use the
corresponding multipurpose knob to set the value to set the lower/upper limit
frequency.
•
BandStop: click or tap the ωc1 input field and use the pop-up numeric keypad
to set the lower limit frequency. Click or tap the ωc2 input field and use the pop-
up numeric keypad to set the upper limit frequency. You can also use the
corresponding multipurpose knob to set the value to set the lower/upper limit
frequency.
The settable ranges of the upper and lower limit frequencies are related to the Math
sample rate (displayed at the bottom of the screen when the Math function is
HDO4000 User Guide
146
To Invert a Waveform
Zoom Mode (Delayed Sweep)
).
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Front Panel Overview
.
in the Horizontal menu
to
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