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SDS2000X HD Series Digital Oscilloscope User Manual
7 6 i n t . s i g l e n t . c o m
If you would like to stop the display in Roll mode, press the Run/Stop button. To clear the display
and restart an acquisition in Roll mode, press the Run/Stop button again.
Note：Zoom is only supported after Stop in Roll mode.
13.2.5 Sequence
Touch Acquire > Sequence to recall sequence dialog box.
A. Turn on or off sequence
B. Set the segment
Sequence mode is a fast acquisition mode, which divides the memory depth into multiple segments
(up to 80,000), each of which stores a single shot. In sequence mode, the oscilloscope only acquires
and stores data without processing and displaying, until the specified segments are acquired. As a
result, the dead time between trigger events is minimized, thus greatly improving the waveform update
rate. If sequence mode is enabled, the display will not update until all of the sequences have been
acquired. The SDS2000X HD can achieve a minimum 2 us trigger interval in Sequence mode,
corresponding to a waveform update rate of 500,000 wfm/s.
After the acquisition is finished, the oscilloscope will map all the segments together to the screen. If
you need to view and analyze each frame separately, history mode will help (see the section "History"
for details). History mode provides timestamp labels for each segment.
In addition to minimizing the dead time, another advantage of Sequence mode is that it can capture
and record rare events over long periods. The oscilloscope can capture multiple events that satisfy
the trigger conditions, ignoring the periods of no interest between adjacent events, thus maximizing
the use of waveform memory. You can use the full accuracy of the acquisition timebase to measure
selected segments.
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