Measurement-computing WaveBook rev.3.0 Uživatelský manuál stáhnout pdf (Strana 130)

6-16 PostView WaveBook User’s Manual

It is possible for the data acquisition program to create files containing multiple timebases, pre-trigger, post-

trigger, and post-stop data. PostView accommodates all these features, as shown in the previous example

(taken from a ChartScan/1400 unit with the ChartView data acquisition program).

•

If pre-trigger scans are available, they will be shown prior to the trigger point and labeled with

negative time numbers.

• If post-stop data is available (scans collected after the Stop Event), they are displayed after the Stop

Event marker.

•

If a dual timebase was used when collecting the data, PostView will show a discontinuity in the time

axis when the timebase changes. When a dual timebase is used, the post-trigger scans are collected at

one frequency while the pre-trigger and post-stop scans are collected at another.

Note: Some timebase aspects may differ, depending on the actual data acquisition program used. Refer

to PostView’s Help File for timebase information relating to specific data acquisition programs.

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Measurement-computing WaveBook rev.3.0 Uživatelský manuál Strana 130