After all attempts with failed GPS signals to the device Sony NV-U70T navigation with iGOprimo, I modified the script
who start the earliest port scans and registers the GPS module (copy files to the "Mounted Volume \ Sony \ nav-u"):
hopefully someone to help.
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Who has no problem with the GPS signal is enough to delete line from file "nav-u.mscr" (open in Notepad):
iGOprimo is located in "mounted volume", in the folder iGO. Thats all.