LC-60/70/80LE650U/LE657U/C6500U/LE757U/LE857U,60/70LE755U/C7500U5 – 22.2.3 How to upgrade the software1. Unplug the AC cord.2. Insert the USB Memory for version upgrade into the service socket.3. Plug in the AC cord with power button pressed down.4. After 5 seconds, unpress the power button.5. After the unit startup, the system upgrade screen as shown below within 20-40 seconds.6. Even a single failure in the process will trigger the upgrade failure screen.NOTE: In the event of a failure, repeat the upgrade process. If the process repeatedly fails, it is likely that the hardware need fixing.7. Upon completion of the whole process, the upgrade success screen as shown below appears. You can check the new software version on thisscreen. The version information appears after the upgrade is complete.8. Unplug the AC cord and remove the USB Memory for version upgrade.9. Now the software version upgrade is complete.NOTE: When you are done with the software version upgrade, start the set, go to the top page of the adjustment process screen and check the mainsoftware version information.MAINSUB MICOMPANEL EEPROMMAIN VersionSUB MICOM VersionPANEL EEPROM26%SAME VERSIONNO DATA3D IR MICOM103U1301111㧙㧙㧙㧙㧙㧙㧙㧙㧙3D IR MICOM Version60LE650USoftware UpdateMAINUPGRADE FAILURESUB MICOMPANEL EEPROMMAIN VersionSUB MICOM VersionPANEL EEPROMProject IDNO DATANO DATA㧙㧙㧙㧙㧙㧙㧙㧙㧙㧙㧙㧙㧙㧙60LE650USoftware Update3D IR MICOM3D IR MICOM VersionMAINUPGRADE SUCCESSSUB MICOMPANEL EEPROMMAIN VersionSUB MICOM VersionPANEL EEPROM100%SAME VERSIONNO DATA103U1301111㧙㧙㧙㧙㧙㧙㧙㧙㧙60LE650USoftware Update3D IR MICOM3D IR MICOM Version