N3GR
Member
If you have an old Sony cordless telephone you are no longer using, the AC adapter for the base unit will work just fine with your PRO-97! The pin size, and polarity are just right. (The PRO-97 manual says that the adapter should be rated for 300mw, and the Sony adapter is only rated for 210mw, but it's been working fine for me and is running cool, so I don't think it's overloaded.)