The VGA output on the CVS has a maximum resolution of 1280x1024. The only way to see the full field of view at this capture resolution is to add a Vision Assistant step that resamples the image to 1280x1024 (or smaller). If you resample before making measurements, you will be able to see the default overlays on the monitor, but lose some of the advantage of the high resolution. If you resample after your measurements, then you lose the display of the default overlays, but keep the full measurement accuracy of the high 1600x1200 image. You can always add custom overlays which will show up after resampling.
Regards,
Brent