From Your Vehicle's Cigarrette Lighter - Radio Shack 20-427 PRO-2054 User Manual

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.
Insert the adapter's barrel plug into the
1.
scanner's DC 13.8V jack.
Plug the adapter's other end into your
2.
vehicle's cigarette lighter or power socket. vehicle's cigarette lighter or power socket.
When you use a cigarette-lighter adapter, you When you use a cigarette-lighter adapter, you
NOTE
might hear electrical noise from your engine might hear electrical noise from your engine
while scanning. This is normal. while scanning. This is normal.
15
The Basics