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Unable to view preloaded maps

Former Member
Former Member
I have a Colorado 400c. After downloading Topo U.S. 2008 onto my SD card, I am unable to view the BlueChart maps that came preloaded on the unit. I can see options for both maps under the Maps shortcut/ Options/ Select map -- but no matter what I select I don't get the BlueChart maps, even if I take the SD card out of the unit.

I appreciate any ideas you might have to fix this.
  • Former Member
    0 Former Member over 15 years ago
    Have you updated your firmware recently?

    The unit will only display one map at a time so if the Topo is enabled you would not be able to see the Bluechart maps.

    Also please check your marine settings as this can effect the drawing of the Bluechart maps.

    Setup->Marine->Marine Chart Mode->Off