Studer Vista 1 Operating Instructions Manual page 263

Vista 1 Digital Mixing System
this particular interface. This is very helpful since the user names need not
be relabeled whenever the patch is changed.
Therefore, it is of no use when manually changing the user label of an input
channel – it will always get overwritten automatically.
GC Operation 4-87
Document generated: 18.04.17 SW V5.3