Garmin GPSMAP 182C GPS Receiver "anchorage" Questions

...nothing.
the green light on the unit workes, but the screen is still black.... I live in Anchorage Alaska, leaving tonight for Jersy, driving a motr\ercoach
back to Alaska. this

...card causing the problem frankcps describes and other problems, such as no data for tide stations, anchorage, etc. I tried cleaning the contacts on the data card & where it plugs in, but still ...

...loading "the rest" and checked it out. Works flawlessly. I easily found a seafood restaraunt in Anchorage (Alaska was not loaded in the intitial install.) Just remember that you have to keep the ...