Solution:

Compact FLash Type II Slot for Type I and Type II cards. The VFG uses Compact FLash memory from 4 Mb to 2 Gb You can use any size Compact Flash card as long as it is formatted in the configuration software. So a 4 GB card can be installed but only 2GB would be usable. For best operation CF cards from SanDisk, or SimpleTech should be used. Logged Data is stored in a CSV file that can be viewed by Microsoft Excel.