I still would like to acquire or borrow an original YO-101 MONITORSCOPE manual. All that I have found on the net look like they came from the same poop copy including Fox Tango. Thanks and 73, Gary H. Harmon, Jr. - K5JWK 6003 Archwood San Antonio, TX 78239-1504 210.657.1549h / 210.884.6926c "Retirement means every day is a Saturday except Sunday".