NACRA 5.7 downhaul

I jist got a N5.7 and am trying to figure out the downhaul rigging, pics or tech drawings would be a great help. It is a boomless rig.
Also, do I need to put on a clew travler? I can see where the previous owner hung the rear main sheet system, but it seems that this position should change depending on conditions and direction. Right?
I hope someone familiar with rigging the Nacra 5.7 will respond, but since you are new to the boat, you might want to look at the rigging manual available here.
http://www.thebeachcats.c…357&g2_highlightId=35408
the page with downhaul instructions is
http://www.thebeachcats.c…408&g2_imageViewsIndex=1

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Damon Linkous
1992 Hobie 18
Memphis, TN

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