Yamaha MTX Series Setup Manual page 12

6.
Verify that the MTX is shown, and click [Next>].
7.
Choose the model of DCP that is connected to the MTX, enter a device name, and click
[Finish].
Since four DCP1V4S units will be connected, make settings for four units.
Example 1) Basic MTX3 system example (analog connections)
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MTX Setup Manual