If you have a standard awning with spring loaded arms start by lowering both sides of the awning.
How to tilt a power awning.
Step 2 push the locking lever into the roll up position.
Some have electronic motors that will allow you to adjust the awning automatically with the push of a button.
Dometic will provide you with a free retrofit arm to enable the awning to be tilted.
Need help adjusting your awning.
Then loosen the black rafter knobs and slide the inner arms back toward the rv until they lock into place.
In this event just place the crank into the socket and begin to spin it until the awning is the right size.
Once you have got everything lined up and you are happy with the arm rail alignment reinstall the set screw.
For standard awnings only.
Only move the awning a half inch at a time till you get it where it needs to be.
Some awnings have mechanisms that allow you to adjust them with ease.