Key for transferring files from the UNI-1 and UNI-2 to a computer.
Don't connect the USB cable on the CTD+ during a data transfer ! You risk to brick the key.
If the data transfer from the UNI-1 or UNI-2 to the CTD+ key does not work and you get a "FAIL" error message, you will find enclosed a maintenance sheet explaining how to reset the key. Please follow the instructions in the attached sheet : CTD+ Key: Formatting / Resetting the key (FM 8022)