Does have a Scala MM Key?

[Castellen]

The dongle is very easy to make, two resistors form a potential
divider to produce a certain voltage which is read by the computer's A
to D converter, which is read by Scala.

Here's a nice budget picture for you:
ftp://mp3:mp3@amiga.serveftp.net/Uploads_here/ScalaDongle.jpg

Give me a yell if you get stuck.

Anthony.