Omega Engineering OMB-CHARTSCAN 1400 User Manual page 212

Appendix B
The following figures and table illustrate a case in which an acquisition has been triggered, the stop event and
end scan have occurred, and the buffer contains several trigger blocks.
In this example, the trigger for the current trigger block has occurred and the Current Read Pointer is located at
the first available pre-trigger scan -00000100. An additional 50 post-trigger scans are available.
ChartScan User's Manual
Configuration Aspects for Programmers
Field Response Implication
1 0000007 Seven trigger blocks are available.
2 0020567 20,567 scans are available.
3 -00000100 The current read pointer is at scan
number -100 (negative 100).
4
12:01:43.100, The trigger time stamp is defined as
03/01/97 indicated.
5
00000100 The stop event pointer is defined as
6 scan number 100.
12:25:01.300,
The stop event time is defined as
7
03/01/97
indicated.
The end scan pointer is defined as
00000250
8
scan number 250.
The current trigger block has been
01
completely acquired. The trigger
block has reached a normal
termination.
B-23