IMAQ 1394 Grab setup and Grab acquire

Hi, everyone
I am very new to Labview and have a general question on grabbing images using my CCD camera.
I set "IMAQ 1394 configure trigger.vi" before " IMAQ 1394 grab setup.vi" and then achieve the most current using " IMAQ 1394 grab acquire.vi". The configure trigger is on Mode 0 (Low activity) and my digital trigger is a pulse train with a trigger frequency of 10Hz.
My questions is as follows:
1. How many images will the camera grab when the trigger turns to a falling edge? Just one or the camera will grab continuously?
If the camera grab continuously, which image is copied when a "IMAQ grab acquire.vi" is called?
2 Does the image grabbing process stop when the trigger turns to the rising edge?
Thanks!
Attachments:
IMAQ1394grab.jpg ‏99 KB

Hi Haiyueli,
The NI-IMAQ for IEEE 1394 has been replaced by the IMAQdx driver. We usually recommend that you upgrade your driver. That being said, I would recommend looking at the help to determine what the mode does. To do this right click the VI and select Help. This should give you a more in-depth look at the function.
Here is a forum post which describes mode 1:
http://forums.ni.com/t5/Machine-Vision/Problem-with-IMAQ-1394-trigger-mode-1/td-p/300534
Paolo F.
National Instruments
Applications Engineer

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