Vax M-9000 - Manual (Page 24)

Important
Be sure to disconnect the power supply plug from the AC outlet when changing the mode.
Since the changes in mode will erase all setting contents, download the set files that need to be stored using
the supplied PC software. (Refer to
p. 113 "Storing or Recalling Parameters Set at the Unit." )
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8. DESCRIPTION OF MIXER MODE
Two operation modes are made available to the unit: Matrix mode and Mixer mode.
Select the mixer mode by the Mode switch on the rear panel before using the unit.
(The mode switch is factory-preset to the matrix mode.)
This manual describes the instructions on the unit set for the Mixer mode. When you use the unit
in the Matrix mode, please read the separate instruction manual for the matrix mode.
MODE
MIXER MATRIX
Mode switch