In case you have implemented such an "instrument", you can make it available for PARTdataManager via this option.
Transparency during rotation [Transparency at rotation] :
When you move a 3D body via mouse key, with a click on the respective mouse button the transparency is turned on. Here you can control the size of transparency.
During turning the part wanders stepwise with the adjusted angle value.
Animation duration [Animation time] ...defines the time span within which a component switches between the different perspectives.