From Your Vehicle's Cigarrette Lighter - Radio Shack PRO-2055 User Manual

The Basics

from your vehicle's cigarrette lighter

To power your scanner from a 12V power source in
your vehicle, such as a cigarette-lighter socket, you
need a 12V, 600 mA DC cigarette-lighter adapter (not
supplied), available at your local RadioShack store.
1. Insert the adapter's barrel plug into the scanner's DC
13.8V jack.
2. Plug the adapter's other end into your vehicle's
cigarette lighter or power socket.
When you use a cigarette-lighter adapter, you
Notes Notes
might hear electrical noise from your engine while
scanning. This is normal.
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