MV-8000: How to Update an MV-8000 from an Update CD.
1) Place the update CD in the CD tray and then turn your MV-8000 off.
2) With the Update CD still in the tray, power on the MV-8000 while holding down DISK/USB and INSTRUMENT.
3) When the CD tray opens, Remove the disk from the CD tray.
4) When "Please Reboot OK" is displayed on the LCD, Power the MV-8000 off and then turn it back on.