Jokeyman123 Posted January 27, 2014 Share Posted January 27, 2014 Just discovered an important function when using the PX-350 5-pin DIN MIDI ports which is not documented in the manual and had me stumped. I connected a smaller controller keyboard to the MIDI in of the PX-350 to send CC messages and discovered it will not work unless I unplug the USB thumb drive, at least on mine. Similar to unplugging the thumb drive when connecting a computer to the PX with the back panel USB port which is documented in the manual. You must disconnect the thumb drive from the PX to access the internal memory of the PX with a computer connected to the rear panel USB port. Just passing this on as it had me stumped thinking my MIDI ports were somehow malfunctioning. Quote Link to comment Share on other sites More sharing options...
cpcohen Posted February 3, 2014 Share Posted February 3, 2014 Thank you! That would be a real "gotcha!" for me. . Charles PS -- _why_ did they ever design it like that? Quote Link to comment Share on other sites More sharing options...
Display Name Posted February 3, 2014 Share Posted February 3, 2014 Thank you! That would be a real "gotcha!" for me. . Charles PS -- _why_ did they ever design it like that? I'm wondering if because MIDI info can be sent to the thumb drive as well they need to only have one USB midi port "open". Quote Link to comment Share on other sites More sharing options...
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