You can be up and running in Metrics Machine in an hour or two if you’re already used to working with UFO files. Start by watch Tal’s video from Robothon 2009, available as an iTunes podcast, and reading the manual.
Check Windows keyboard layouts of the nations that use the Franc. If there aren’t local keyboard layouts in default Windows installs that include the Franc than it’s probably safe to assume that they use Fr. I’m basing this on how Arubans supposedly have ƒ as a currency symbol but use the abbreviation WSG instead.