Thrustmaster T150 Force Feedback Procedimento Manual De Actualizacion Del Firmware página 7

The firm ware update procedure begins (the update progress is displayed onscreen).
During the firmware update, the MODE LED on the wheel will be OFF: this is perfectly
normal.
The update program will inform you whether the firmware has been successfully updated.
Thrustmaster
Firmware Updater
If the firm ware has been successfully updated, the wheel will automatically calibrate
itself, and the MODE LED will return to its original state:
This Thrustmaster Racing wheel has
been successfully updated.