Run MIDI-OX.
From the Options menu, choose “Configure Buffers.”
Set the Low Level Output Buffers “Num” and “Size” to 1024.
Click OK to close the window and save the settings.
From the Options menu, choose “MIDI Devices.”
In the lower left quadrant of the window, select the MIDI port to which the instrument is connected. If connected via USB, choose “Pro 3” (or “USB Audio Device” under Windows XP). If connected via MIDI, choose the MIDI interface. The selected MIDI port appears in the Port Mappings window.
Click OK to close the window and save the settings.
From the View menu, choose “SysEx.”
From the Command Window menu, choose “Load File.” Browse to and open the Pro 3 OS update file.
From the Command Window menu, choose “Send SysEx
Once I am there, cannot see the patch and try it on Pro 3!
Sending only one patch at a time!