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USB Connection between Roland KR-570 and Macbook Pro Catalina 10.15.7

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Hello all, Let me present myself. I am Paul age >70 living in Belgium. I own. A Roland digital piano since 1998 and used it in that time with a 80486 and Soundblaster 16 to reproduce midi files on Sibelius. I was studiing guitar at that time. Now so may years later i picked it up again but the world has changed.

I bought a usb to din 5 usb midi cable from NEEWER ref NC11 with the intention of coupling GUITAR PRO 8 on the macbook.

After puzzling with the settings i managed to have piano sounds represented on score and play midi files on the piano.
However this is not a stable connection. 

  • Inititialy i have blue leds showing midi is on, laptop on, piano on. Then, there is not a way to say when exacly, the leds turn red and the piano shows error 41 meaning a MIDI communication problem.
  • I know i have to change the internal battery of the piano but i think that is only for memory purposes. The piano's settings are standard to accept MIDI on channel 1.

The files i have are general midi files and some GS files.
I would very much like to use the GTP files from guitar pro to be reproduced on the piano in a stable way. As i said sometimes there are no issues but mostly it does not function.

What could be the issue here?

<a title="Settings" href=" removed link " target="_blank" rel="noopener">Please find some foto's here

 

Hope to hear from someone,

 

Have a nice weekend

Paul

 

 

 


 
Posted : 30/11/2025 2:01 am
Posts: 1
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Hi Paul   Midi is a wonderful system but there are so many variables between computer operating systems (windoze mac linux) each system has its own particular way of connecting to the USB / midi converter. The trick is to get the computer to "see" the usb connection  , for example I use  Rosegarden with Linux mint   . Within Rosegarden  there is a drop down panel showing the available outputs (one being usb 345)  , using the usb out no midi processing (soundfonts etc) are needed  as everything is done by the keyboard., So the short answer is look at your operating system & the midi playback app it uses & get it to find the usb connection . Perhaps try saving a demo tune once connected which may steer you to the usb connection.Good Luck  it can be so frustrating to get it to work!


 
Posted : 01/12/2025 4:23 am
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