This page describes the software application "multiknobs", and one type of multiknob called "bumps". In particular, our implementation of multiknobs is based on the XAL "knobs" application.
Documentation
Requirements for Multiknobs and Bumps, KnobsRequirements.pdf in Sharepoint
References
The production LCLS XAL lcls.xdxf model in CVS
Talks and Literature
Talk Notes on Multiknob and Bump RequirementsXAL Multiknobs and Bumps Help