Yamaha MTX Series Setup Manual page 25

Example 1) Basic MTX3 system example (analog connections)
If you store these settings as a different preset, you'll be able to easily switch to settings suitable for a party.
If you use Recall Filter to specify that only ROUTER and DCP settings are recalled, other settings such as gain will
remain at the Basic settings even if you recall a party preset.
This completes settings in the offline state. Save the settings once again.
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MTX Setup Manual