2-5
IM 701240-01E
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App
Index
Explanation of Functions
Dot Display
By default, the display interpolation function works automatically. However, you can
also disable the display interpolation in which case the waveform is displayed using
dots. In this setting, up to 100100 points (100 kpoints) of the acquired data are
displayed without using P-P compression. For example, if the display record length is
10 kW (the number of acquired data points is 10010 points), all the points of the
waveform are drawn by aligning 10 points vertically at the same time axis positions. If
the number of acquired data points exceeds 100100, only the data per given interval
is displayed. In other words, the data is decimated down to 100100 points (100 k
points) for displaying the waveform.
Record Time and Roll Mode Display
If the trigger mode is set to Auto, Auto Level, Single, or Log and the record time is set
greater than or equal to 1 s/div, the waveform is displayed in roll mode. In roll mode, the
displayed waveform is not updated using triggers (update mode). Rather, the oldest data
is deleted as new data is acquired, and the waveform is shifted from right to left on the
screen.
Roll mode display allows waveforms to be observed in the same way as on a pen
recorder. It is useful in observing signals with a long period or signals that change slowly.
It is also useful in detecting glitches (spikes in the waveform) that occur intermittently.
2.2 Setting the Horizontal and Vertical Axes