Figure 3-44: Negative Trigger Delay (Pre-Trigger Data) - Ametek CSW5550 User Manual

User Manual
PRE TRIGGER DELAY
Alternatively, a negative trigger delay value may be specified up to the maximum time window
depth of the acquisition window. The value may be entered directly from the keyboard or using
the knob. The following time interval range is available:
Single-phase mode:
Three-phase mode:
This situation is shown in Figure 3-44. The example shows a similar scenario as before, only
this time the trigger delay was set a -20 ms. Notice that the data acquisition window now
contains data that occurred before the user pressed the ENTER key to start the acquisition.
98
42.6 msec to 426 msec.
128 msec to 1280 msec.
START TRIG SOURCE=
[ENTER] PHASE 0°
TRIGGER
DELAY

Figure 3-44: Negative trigger delay (Pre-trigger data)

California Instruments
ACQUISITION WINDOW
CSW Series