16-1
IM DL850E-01EN
16 Displaying and Searching History Waveforms
Acquisition memory stores waveforms that are displayed on the screen and waveform data that have been
acquired in the past. The history feature allows you to display or search past waveforms (history waveforms).
You can perform the following operations on history waveforms:
Display
You can display any single waveform or display all waveforms (and highlight only the specified waveform).
You can also list the timestamps (the times at the time references) of all history waveforms.
Waveform Data for the Last N Triggers Is Stored
Selected Record 0
Selected Record –25
Current displayed waveform
(Select Record = 0)
Past waveform
Set Select Record to a value
in the range of 0 to – (N – 1).
Search
You can search for waveforms that meet the specified conditions, display the detected history waveforms, and
list the timestamps of the waveforms.
Zone Search
You can search for history waveforms that did or did not pass through a specified search zone.
Waveforms Stored in the Acquisition Memory
Selected Record –25
Specified area
Selected Record 0
Only waveforms that pass
through the specified area
are detected and displayed.