Electro-Harmonix HOLIEST GRAIL, Manual, Page: 7 / 8

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Each time you load a Preset, all of the slider values for that preset will be sent out as MIDI
CC messages. So you will receive 10 MIDI CC messages every time a preset is loaded.
MIDI Program/Patch Change
The Holiest Grail accepts MIDI Program Change messages to load any of the 8 presets.
The Holiest Grail receives MIDI Program Change on Channel 1 only . Sending any of the
following MIDI Messages to the Holiest Grail will load the corresponding Preset:
MIDI PGM 0
Bank 1, Preset A
MIDI PGM 1 Bank 1, Preset B
MIDI PGM 2 Bank 2, Preset A
MIDI PGM 3 Bank 2, Preset B
MIDI PGM 4 Bank 3, Preset A
MIDI PGM 5 Bank 3, Preset B
MIDI PGM 6 Bank 4, Preset A
MIDI PGM 7 Bank 4, Preset B
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