Vyzex MPK49 Firmware Upgrade PDF 
6
2. Open the MIDI->Transmit MIDIX (.SYX) File Dialog 
 
When you select the MIDI->Transmit MIDIX (.SYX) item from the application’s menu, a file dialog will 
open prompting you to select the firmware SYX file. Navigate to this file through the dialog’s controls and 
click on it to select it as shown.  
 
Is MPK49 still asking you to SEND SYX? Good.  
 
Click the Choose MIDIX File to Send? Dialog’s ‘Open’ button (shown above) to proceed!