setting and press until the sound icon appears. The meter will beep if there is a continuous path (less than 50 Ωcap omega ), which is perfect for finding broken wires.

If all else fails: . Post in r/AskElectronics or r/RadioShack . Someone has a PDF on an old hard drive. Be specific: "Looking for the user manual PDF for RadioShack 22-805 24-range DMM."

This model was designed as a "pro" level tool for hobbyists and technicians. : Voltage : Up to Current : Up to for both DC and AC. Resistance : Up to

is a portable diagnostic tool designed for home, lab, and shop use. Its manual highlights professional-grade features, including a built-in computer interface for data logging and an analog bargraph for quick visual reference. Internet Archive Key Specifications & Features Measurement Ranges

So, if you have an original 22-805 manual tucked in a drawer—the one with the fold-out "Safety Rules" and the table for checking 1N4001 diodes—scan it. Upload it. You aren’t just saving a manual; you’re preserving the last generation of electronics that trusted the user to read before touching 750 volts.