Welcome to Tiny Vital Systems' page with documentation for discontinued products. These
products were amateur radio repeater controllers models TVS-501 and TVS-701 and were
produced an sold from 1985 through 1995. The following documentation is provided for
reference only. Tiny Vital Systems can be reached at Maintained by email@example.com. .
Documents are provided as simple text files, with the exception of the schematics, which
are in internet image form (JPEG). To print out a document, click on the link in the
browser. Then use the browser's print function.