thanks!
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�> I want to use sysex to control (mute / solo ) each of the 4 layers from my midi keyboard� (Roland A500)>; . . . Ideally through the Layer Solo parameter, but any other way would be fine with me.---------------------------------The manual should be in the folder at Files > Command Station Info.Also:�---------------------------------Are you trying to turn layers on/off while a preset is sounding?I just tested the "Play Solo Layers" function from the front panel and changes only take effect for the next note trigger, not while a sound is playing.---------------------------------I will take a look to see if I can find Layer Solo parameters. I don't remember seeing them before.I am not sure why lowering the amp levels on the layers didn't work.Looking at my P2500 for some possibilities you might want to try (not sure they will work, but maybe):-- Set the Key Range to an extreme you would never use.-- Set the Amplified to -96 db-- Set the Volume Envelope to 0%-- Set the Sound [i.e., sample] Start to an extreme point (beyond the sample size)Not sure any of these would work, though.----------------------------------