National Instruments Measure Data Acquisition - Manual (Page 36)

Chapter 4 Analog Input Reference
Measure Data Acquisition User Manual 4-8 © National Instruments Corporation
Table 4-3. Choices for Hardware Digital Trigger
Choices for Hardware Digital
Trigger
Description
Start acquisition on trigger Select this option if you want to start your acquisition on
the rising edge of the
PFI0/EXTTRIG/STARTTRIG
(depending on the board you are using) input on the
connector. Otherwise, Measure starts the acquisition
with a software trigger.
Acquire until trigger Select this option if you want to stop your acquisition on
the rising edge of the
PFI1/EXTTRIG/STOPTRIG
(depending on the board you are using) signal on the
connector. Otherwise, the acquisition ends after Measure
acquires all the scans.
scans after trigger Specify the number of scans to acquire after the stop
trigger occurs.
Timeout (seconds) Specify a timeout value in seconds. If you want Measure
to calculate a timeout value for you, enter
-1 . If you
specify an external scan clock and a timeout value of
-1 , Measure configures a timeout of one second.
Mode Reference
The Analog Input Mode applies to all the channels in your scan list.
Select Analog Input Configuration»Mode to open the Analog Input
Mode dialog box, shown in Figure 4-5.
Figure 4-5. Analog Input Mode Dialog Box