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The MIDI Patch module sends MIDI Bank Select and Program Change messages to select the patch used by external MIDI equipment.
Messages are transmitted when the SEND button is pressed or a trigger voltage is received via the socket beneath the button.
If the AUTO button is engaged then any changes to the settings will automatically trigger a message send.
To perform "silent" changes switch the AUTO button off while you alter the settings.
MIDI MSB and LSB Bank select messages may not be required in a simple setup in which case set them to OFF.
To make rapid changes to the settings hold down the SHIFT key while clicking on the up or down buttons.