Sony OXFORD Operation Manual page 94

4-13 Multi-Stem Set-up
4-34
Chapter 4 Signal Paths
To Clear any Busses set up in Stems
As an example, to clear the bus set up as the C channel:
9
Press and hold the { C } button and it lights.
10
Press the SELECT TRACK { + } and { - } buttons simultaneously to
clear the bus assignment for the C channel.