We don’t have a concept of fixed FFS optics. This is set by the operators using the sector 20 optics program (launched from facethome).
Users are welcome to play with this tool. It has tables of z-coordinates for current lattice in a table format for example.
To access the tool, launch facethome (you need to have an account in the fphysics group - see computing FAQ). Go to Matlab GUIs. Choose "Sec 20 IP Config" (in the optics section).
It may take a few moments to load.
Do not hit the Trim button. This will change magnet settings. Only Operators are authorised to hit this button.
If you don't hit "trim", you won't affect the beam operation so there is no concern about "poking around" this tool.
Just please, don't hit trim.