Navionics SonarChart problem with V17

[RumRunner2006]

It works! So you understand better what happened: I also have been in contact with Navionics and they told me the same thing you did. But, yesterday, I started the MFD with the Navionics card already inserted, pulled it out and put it back in as instructed and it didn't work. Today, I started the MFD without the Navionics card in it and only when the MFD was fully booted and on the home page with a fixed GPS position did I insert the card and it worked. So, my recommendation is that if anyone else has this problem to boot up the MFD without the Navionics card in it and then insert the card only after the MFD is fully booted and on the home page with coordinates showing.

Thanks for your assistance.