How to Identify T2wG and Device
How to access the Service Menu
How to access the Repair Manual
How to install latest softwares
2-
Reset during updating the map database
Phenomenon description:
When updating the navigation extension box software version from 6.8.1H to 6.8.2H, the update stops
and an error message appears on the screen asking to remove the update stick from USB connector
to restart the unit. The screen becomes black for some seconds then "Audio off" screen appears. Then,
the unit do not respond to any buttons, screen touch. IG OFF IG ON cycle do not help.
Supplier: Harman
This phenomenon can occur on Extension Box software lower than mentioned in below table.
The problem has been resolved as from the software version shown below table or higher.
Minimum Required Software Version: 6.10.0
How to fix: Go on next page