| Spectrum analyser toolbar |
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The spectrum analyser toolbar appears when the spectrum analyser window is active.
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Maximum Frequency. The frequency at the right-hand end of the frequency scale.
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X Multiplier. A horizontal scale factor. Use to zoom in on captured data.
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Channel. The input channel that Spectrum 1 represents. The number of channels available depends on the oscilloscope variant that you are using.
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Range. The maximum voltage that the oscilloscope will measure without error. A warning symbol ( ) will appear if the input exceeds this voltage.
(Tip: Set the range just above the maximum voltage you expect to measure. Setting it unnecessarily high will reduce the accuracy of your measurements.) | |||||
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AC/DC Select (ADC-100/200 and PicoScope 2000 and 3000 series oscilloscopes only). This selects the coupling circuit used in the oscilloscope's input.
(Tip: Set to DC if you need to measure the absolute value of a voltage. Set to AC if you only want to measure the amplitude of a signal, such as its peak-to-peak value, without regard to its absolute DC value.) |
Spectrum 2
See Spectrum 1.
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