When you’re traveling, these knobs should be tightened well so that they don’t become loose and fall off.
Some models require you to swing the release tabs up to undo them.
All RVs that come with an awning will come with an awning rod as well. The ratchet mechanism should be labeled with both “open” and “close” for when you go to switch the lever. Some RVs have a slide mechanism on the awning arm that releases the ratchet by itself.
To keep the rafters lubricated, you can spray them with WD-40.
Lifting the handle on the arm releases the lock, allowing you to raise the awning. Once you release the handle, the awning will lock. Make sure the awning is high enough to clear the door.