Join Date: Jun 2003
Location: New Lenox, IL-USA
Re: Ibanez Universe bridge stud functionality
This is a good question......... the "star" you see inside is not designed to make adjustments, it's just a part of the milling process.
An Allen wrench will turn the whole stud just the same as you experienced with the star. There IS a 1.5mm set screw down inside the star (out of view) that is used for locking the studs in place. Of course this is dependent on the year of your UV....... Edge Pro's don't have locks.