how do I open the case on my navman F20?
My Navman iCN 610 won't work with the 12v adaptor but will with the mains?
Navman S100 Software problem?
The green light on the plug doesnt light up when i plug in my Navman F20?
Navman S80 won't charge in car?
Navman s100 frozen at start up screen?