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• 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 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
enabled). The sample rate of the analog channel or the changes of the memory depth
can affect the Math sample rate.
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.
Grid
For setting methods, refer to the descriptions in
To Set the Screen Grid
.
Math Operation
DHO900 User Guide
132
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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