Triggering
CSA7000 Series, TDS7000 Series, & TDS6000 S eries Instruments User Manual
3-115
Triggering with Horizontal Delay Off. Figure 3--28 compares the sequential trigger
choices A-Only, Trig After Time, and Trig on n
th
Event when horizontal delay is
off. Each illustration shows where pretrigger and posttrigger data is acquired
relative to the trigger event.
Trigger delay time
Waiting for nth event
(where n=5)
A trigger point Start posttrigger acquisition
A trigger
source
Trig on n
th
Event
A trigger
source
B trigger
source
B trigger point; Start posttrigger
acquisition on first B trigger after delay
Waveform record
A trigger
source
B trigger
source
T rig After Time
A (Main) Only
Pretrigger record
Posttrigger record
Waveform record
Waveform record
A trigger point
A trigger point
B trigger point; Start posttrigger
acquisition on n
th
B event
Figure 3- 28: Triggering with Horizontal Delay off
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