Recently I found unlock for SONY NAVU devices. Point is to rename NAVU folder on your device to NAVU2 and copy everything from package, try not to overwrite anything. This unlock will allow GPS satellites to be found with any program. Also you will get nice interface with one large button in the middle. All additional stuff you can modify in INI files.
This is the file, you can unpack it on your computer and then copy to your device: sony.rar
There is no need to change anything in the script except path tp your navi prog.
Satellites on port 5 baud 57600.
Last edited by Block; 10th November 2013 at 14:38.