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Does the 1422 grabber use line valid and frame valid signals

Hi,

I have set a camera (digital) to acquire a 200x200 image (Basla config software), and set the “channel->properties->Basic->Acquisition Window” values to 0,0,984,989 (in MAX); the camera is in free running mode at 20 fps.

The problem I have is trying to understand the returned image, i.e. when I acquire using SNAP (in MAX) I end up with multiple frames in the window. This leads me to believe that the 1422 does not use FVAL and LVAL lines. Is this so?

Thanks in advance
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