In the earlier posts there was a reference to a black knob that you tightened to hold the awning at whatever tilt level you desired.
How to tilt a power awning.
Some have electronic motors that will allow you to adjust the awning automatically with the push of a button.
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.
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.
Need help adjusting your awning.
For standard awnings only.
Others might require you to use a hand crank extended device.
If the rail needs to move to the right remove the right screw and pull the awning right.
Step 2 push the locking lever into the roll up position.