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can someone explain AUM audio unit preset load actions?
Learning AUM mostly by trial and error, I stumbled upon the Preset submenu while working with Pure Synth Platinum today. There is a little information in the AUM manual, but not enough for me to understand how to use this feature. Is it possible to "call" saved PSP presets in AUM through midi channel or cc commands? If so, how is this done? I thought at first I would need to load an instance of PSP for each instrument I wanted to call, but the Preset list suggests that various saved presets can be called from just one instance of PSP.

Comments
Yup, go to midi settings for the synth track and you can use program changes, midi cc, or notes to cycle through AUM presets.
Simple. Just save presets in the AUM preset system (not the PSP preset system). Then go to the midi control menu and the PSP channel, then to the preset load parameter. You’ll see the presets you saved. Touch the one you want, then the “—“ next to it. You can then set up the midi control you want to use to lad that preset.
Thanks, under "add action" I get what CC and Note refer to. What does PC refer to?
PC is a program change midi message
Midi program change