That's very cool. Casio made some strange decisions with their keyboards, sometimes underselling the very powerful CZ synthesis technology. Yes, they did make some odd decisions and it's a pity they didn't evolve the CZ engine in particular. The CT6500 is a weird beast, basically a complete CZ in a...

Sorry if this is a bit spammy, but I've created a new patch editor for the CZ series and CT-6500. It's for Windows 10 and is in the Windows Store, but is completely free and completely ad free. Also does not capture any user info at all. It's just a patch editor. It's called VZV CZ. Did I say it's f...