Boom; Mast Rotation - Nacra F20 Carbon Assembly & Rigging Manual

Step 2.
Pull on the blue line that comes out of the front beam and you will find that
is tied onto a shockcord. Tie the cunningham line to that shockcord and then
untie the blue line. The cunningham line can now go into the front beam
while sailing!

2.2.6. Boom

Take the boom and connect it to the boom connector on the mast with a
phillips screwdriver.

2.2.7. Mast rotation

Step 1.
We previously put the one end of the mast rotation line in the trampoline
bag and tied down the other end to the staymaster/side stay adjuster.
Step 2.
Take the mast rotation line through the block attached to the end of the
mast rotation arm and then go back under the trampoline through the same
hole in the trampoline.
Boom
Step 2.
Mast rotation
Step 1 and 2
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