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panel to adjust the vertical scale. Please refer to
Front Panel Overview
to
configure the front-panel multipurpose knobs.
Offset
Offset is used to set the vertical offset of the operation result. You can set the vertical
offset in the following ways.
• In
Math 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 multipurpose knob 2 on the front panel to
adjust the vertical offset. Please refer to
Front Panel Overview
to configure the
front-panel multipurpose knobs.
Invert
Invert is used to enable or disable the inverted display of the waveform. When the
Invert function is disabled, the waveform is displayed normally; when enabled, the
voltage values of the displayed waveform are inverted.
Waveform
This oscilloscope provides Main and Zoom for the measurement range.
• 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
Zoom Mode (Delayed Sweep)
in the
Horizontal
System
menu.
Label
It is used to set the label for the math operation results. For setting methods, refer to
descriptions in
To Turn the Channel Label Display On/Off
.
Expand
The oscilloscope supports two vertical expansion modes: GND (default) and Center.
• GND: When the vertical scale is changed, the math operation waveform will
expand or compress about the ground level of the signal.
• Center: When the vertical scale is changed, the math operation waveform will
expand or compress about the center of the display.
Math Operation
DHO800 User Guide
112
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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