ak4ray Posted January 25, 2017 Share Posted January 25, 2017 I am using a Line 6 Helix with my JP-2C, when I use it to send CC messages to change individual features on the amp it works perfectly.I've done a factory reset of the helix to make sure that all of my previous CC messages aren't conflicting with the program bank changes I am trying to make and started from scratch with a blank Helix preset.When I try to program it to access any of the factory presets it doesn't change to the program I am expecting.The Helix has some parameters in it I am not sure how they correspond to the control of the JP-2C as follows:Knob Parameter Description2 MIDI Ch Sets the Bank/Program message's MIDI channel (1-16). When set to "Base", Helix follows the Global MIDI channel, which is set from the "Global Settings > MIDI/Tempo" page.3 Bank CC00 Sets the CC#00 (Bank MSB) value. Select "Off" if the receiving device shouldn't respond to Bank MSB.4 Bank CC32 Sets the CC#32 (Bank LSB) value. Select "Off" if the receiving device shouldn't respond to Bank LSB.5 Program Sets the Program Change (PC) value. Select "Off" if you only want to send a Bank MSB and/or Bank LSB message.So an example of what I've tried is to send a program change for the clean channel on bank 1Knob Parameter Description2 MIDI Ch Set to 1 3 Bank CC00 Set to 04 Bank CC32 Set to off 5 Program Set to 1 or 16 etc.An example of what I've tried is to send a program change for the crunch channel on bank 1Knob Parameter Description2 MIDI Ch Set to 1 3 Bank CC00 Set to 04 Bank CC32 Set to off 5 Program Set to 7 or 22 etc.Update 1/24/16:So when I set as follows, I am one number off on the program change i.e. selecting program change 19 on the Helix executes program change 20 on the JP-2C, is this because the JP-2Cprograms go from 1-127 and the Helix program value goes from 0-128?Knob Parameter Description2 MIDI Ch Set to 1 3 Bank CC00 Set to 04 Bank CC32 Set to 0 5 Program Set to 7 or 22 etc.Any guidance would be appreciated.Ray Quote Link to comment Share on other sites More sharing options...
mkornell Posted January 25, 2017 Share Posted January 25, 2017 Yeah, the Helix and the JP start at different numbers when they count :-) Same thing with an Eventide H9, btw. Just adjust the number on the Helix to 18. Quote Link to comment Share on other sites More sharing options...
zooey Posted January 25, 2017 Share Posted January 25, 2017 Actual midi program change numbers go from 0 to 127. Some devices think it's more human-friendly to show them as 1 to 128, but it's a fiction, technically. Quote Link to comment Share on other sites More sharing options...
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