Firstly have you got the special mount for the 910 that includes the FM Transmitter as the FM portion is actually in the mount rather than the device.
When purchased new the 910 came with a standard (non FM Tx mount), to get the FM Tx option working you needed to purchase an additional mount.
Another software update rendered the FM Tx useless due to a European directive, a way around this was to set the iPOD player playing music and then the unit would use the FM Tx when connected to the special car mount, without the music player in use the device won't use the FM Tx - Mike
With regards to the backup, I just copy the whole of the GO unit drive, and place it in a folder on C drive...is that what you mean?One quick word of advice, please make a full back up of the device using Windows Explorer, don't rely on any back up made using the TomTom Home software as this has/ had a tendency to rename the contents of the LoquendoTTS folder resulting in 4GB of useless TTS files.
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