My Navman iCN 610 won't work with the 12v adaptor but will with the mains?
navman won't power on ?
Cant charge navman?
navman has stopped showing maps ?
Navman 450 problem?
how do I replace the battery on my navmanf20 ?
replace glass screen?
navman goes in to down load mode when plugged in to car charger?
how do i open?