Studer OnAir 3000 Operating Instructions Manual page 157

OnAir 3000 Digital Mixing Console
5-94 Operation
Since SW V5.0, every logical input can be an MPX conference member. The
following page was added in order to allow assigning inputs to the conference.
The ROUT - Bus Assign page gives a clear overview of what is currently
happening; the picture below shows a conference with two members (TEL 1
and TEL 2) while MPX ON is active; the TEL 1 signal is routed to the N–X
output labeled TEL RET2, and vice versa (shown by the yellow bullets at the
crosspoints). All other crosspoint bullets of TEL RET1 and TEL RET2 are
grayed out so they cannot hear any program signal. In addition, the TEL 1
and TEL 2 signals are not sent to any other N–X buses.
If switching the MPX conference off (e.g. by switching the members to a
program output or by deactivating the conference), the ROUT - Bus Assign
page changes as follows:
SW V6.0 Document generated: 10.10.14