Triggering
CSA7000 Series, TDS7000 Series, & TDS6000 Series 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 nth 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 nth 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
Trig 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 nth B event
Figure 3- 28: Triggering with Horizontal Delay off