VS-1680, VS-1880, VS-1824CD: Activating System Update Mode
In order to receive MIDI update files (sysex messages), it is necessary to use a certain boot up procedure to access the System Update mode.
1. With the power "off", hold down the two buttons directly above fader seven. This is the TRACK SELECT/CH EDIT and STATUS button for Track 7.
2. While holding down theses two buttons, power on the unit.
3. Keep holding them down until you see the message "System Update?". Press the ENTER/YES button.
4. The screen should say "Waiting MIDI EX..". At this time the unit is ready to receive the update files. When receiving data, it will display "Receiving..".