Hello! Can somebody explain me, how I attach GPS reciever by Bluettooth. On my 770 I see only possiblity to use "change phone" to connect my Nokia LD_3W GPS reciever (which is described as possible GPS reciever in this forum). But when I do change phone to this Connect reciever a popup ask me for Bluetooth password, with a filled in 4 digit number and which i cannot insert in my GPS reciever in device an when I filled in standard password "0000", it doesnt funktion either? What do I make false?