>
>If this is a RA90, the unit number is via the front panel of the RA90.
>In the upper left of the panel, there should be a small hole in which
>you can stick something like a toothpick or paper clip.  Insert such
>a thing in there and press.  The front button will now allow to modify
>the unit number.  I can't remember which do what but experimentation
>should reveal want to easily enough.

Huh?

Actually, to change the unit number of an RA90, you press TEST, followed by A
and B, and finally TEST again. Most can be experimented with, and you'll find
out how it works.

	Johnny