> My guess is that the firmware on the card has a bug. You could be right, although the copy of the project is using the same brand and size of card. It's impossible (practically) to determine from the outside exactly where the data is stored and how it's being fetched and managed on either of the cards For now I'm reasonably happy enough, happier than at the start of the project anyway Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2015.0.5941 / Virus Database: 4342/9787 - Release Date: 05/15/15 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .