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Select math channel as the current channel. After touching math waveform on the screen with one finger,
adjust the waveform display position by dragging upward and downward, leftward and rightward, or tap
the fine adjustment button in the lower left corner of the screen for fine adjustment
Select math channel as the current channel and press the “position” knob in the horizontal button area to
move the leftmost side of the waveform (0Hz) to the horizontal center of the screen.
Select math channel as the current channel and press the “position” knob in the vertical button area to move
the waveform to the vertical center of the screen.
Horizontal time base scale
Select math channel as the current channel, tap the time base adjustment button, and adjust the horizontal time base
scale. The horizontal time base is stepped in 1-2-5, and the waveform changes either.
For FFT measurement, the reading of the horizontal axis changes from time to frequency (Hz), and it no longer
shares the same time base with other analog channels. Therefore, before adjusting the horizontal frequency scale,
the math channel must be set as the current channel.
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