Right Hand Side; Dc 12V - Charging And Dc Input Socket - AOR AR8000 Operating Manual

Side panel - right hand side
5-13 DC 12V Charging / external power connection
This is a standard 1.3mm dual concentric DC socket. The wiring of this socket
is CENTRE POSITIVE, negative ground. THE AR8000 MUST NEVER BE
CONNECTED DIRECTLY TO THE MAINS SUPPLY.
The DC socket is used to charge the internal NiCad batteries using the charger
provided. The receiver may also be connected to an external 12V DC supply
for powering away from home (such as to a vehicle 12V cigar lighter socket
using the DC lead).
The AR8000 may also be connected to a separate regulated DC power supply
for use at home. The rating of the regulated power supply must be a nominal
12V DC @ 300mA or higher current rating.