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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

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Rigol DHO814 User Manual

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