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Reference
88
TDS1000/2000-Series Digital Oscilloscope User Manual
2. For the TDS1000-series (monochrome m onitor), a dimmed
waveform indicates reference waveforms or waveforms with
persistence applied.
For the TDS2000-series (color monit or), reference waveform s
appear white and waveforms with persistence applied appear in
the same color as the Main waveform, but with less intensity.
3. A broken line indicates the waveform display no longer matches
the controls. This happens when you stop the acquisition, and
change a control setting that the oscilloscope is not able to apply
to the displayed waveform. For example, changing the trigger
controls on a stopped acquisition causes a broken-line waveform.
Key Points
Persistence. The TDS1000- and TDS-2000 series oscilloscopes use
“dfm” at a “reduced intensity” for persistence.
With Persistence set to Infinite, record points accumulate until a
control is changed.
XY Format. Use the XY format to analyze phase differences, such as
those represented by Lissajous patt erns. The format plots the volta ge
on channel 1 against the voltage on channel 2, where channe l 1 is the
horizontal axis and channel 2 is the vertical axis. The oscilloscope
uses the untriggered Sample acquisition mode and displays data as
dots. The sampling rate is fixed at 1 MS/s.