CORRECT CRAFT super air 230 2018 Owner's Manual page 179

Controls and Indicators
Fold Down Tower Zippered Tower Flap Installation Instructions
for FCT5 Tower
Cover not to be used with tower in 1/2 position
Cover with tower down:
Wakeboard racks must be removed and stowed.
Flap is folded in and zipper is closed with second exterior
attachment.
CORC0732
Cover with tower up:
Flap is folded through tower and zipper is closed with first exterior
attachment.
CORC0733
3-43