I just got to use my 788ci hd di for the first time and recorded a bunch of imaging data and would like to view it on my computer. Both of my computers have card readers and I did have the card in the fishfinder when I was using it and it did display recording the whole time I used it. I tried to put the card into the card reader to try to see what i got on the recording and my computer would not display what I had recorded. Could someone explain to me what I really need to do to see the information? Thanks