Ok so, I've hit a new snag. I tried to load all the marks that @jonnyswamp kindly gave me onto my plotter, only to find out that the sd card no info on it, FFS.
I been home and tried to reload them, now my PC tells me that in order to transfer /copy the files I need user permission? A, whats that mean and B, how do i get round it @GPSguru @Andy135??