I don't know of a key combination to tell you the size of the card. But while playing a file, you can press 8 and hold it till it beeps once and you'll get how far along you are in the file and how much free space you have on the inserted card. Lois -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.371 / Virus Database: 267.13.12/194 - Release Date: 12/7/2005