Measurement Computing PCI-DAS6071 - Manual (Page 24)

PCI-DAS6071 User's Guide Functional Details
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Trigger Below
The acquisition will begin when ATRIG signal first goes below the THRESH_LO level. This mode is non-
retriggerable.
Figure 20. Trigger Negative Slope
Gate Above
Data acquisition is enabled whenever ATRIG goes above the THRESH_HI level. Acquisition is suspended
whenever the ATRIG signal goes below the THRESH_HI level. This is a level-sensitive gating mode.
Figure 21. Gate Above