I gave up WM was nice enough to take it back and offered another card to replace.  I declined and took the money.  My concern is the card slot does not hold a card 99% of time.  I have also lost my previous subscription of Navionics charts and am now using the blue charts which come with the unit.  Something is not right.  It is a uhd 94sv with a gt 54 tranducer.  I may put it on my Carolina skiff and upgrade the Grady.  I have to trundle mount and only have room for a 9in unit, any suggestions appreciated.
Thanks again