Teledyne LeCroy LabMaster 9Zi-A - Manual (Page 109)

Getting Started Manual
922157-00 Rev A 101
You can sample the waveform in a range starting well before the trigger
event up to the moment the event occurs. This is 100% pre-trigger, and it
allows you to see the waveform leading up to the point at which the trigger
condition was met and the trigger occurred. (The instrument offers up to
the maximum record length of points of pre-trigger information.) Post-
trigger delay, on the other hand, allows you to sample the waveform
starting at the equivalent of 10,000 divisions after the event occurred.
On fast timebase settings, the maximum single-shot sampling rate is used.
But for slower timebases, the sampling rate is decreased and the number
of data samples maintained.
The relationship between sample rate, memory, and time can be simply
defined as:
Capture Interval = 1 /Sample Rate X Memory
and
Capture Interval /10 = Time Per Division
Sequence Sampling Mode
– Working with
Segments
Using Sequence Mode, thousands of trigger events can be stored as
segments into the oscilloscope's memory (the exact number depends on
oscilloscope model and memory options). This is ideal when capturing
many fast pulses in quick succession or when capturing few events
separated by long time periods. The instrument can capture complicated
sequences of events over large time intervals in fine detail, while ignoring
the uninteresting periods between the events. You can also make time
measurements between events on selected segments using the full
precision of the acquisition timebase.
Sequence mode offers a number of unique capabilities:

You can acquire up to four channels simultaneously.

You can minimize dead time between trigger events for consecutive
segments.

You can view time stamps for acquisitions.

You can zoom segments or used them as input to math functions.