Operation; Turning On The Power - Uniden UH8080NB Owner's Manual

Operation

Turning on the Power

Press and hold [POWER].
Low-Voltage/High-Voltage Alert
The UH8080NB can operate on 12VDC (13.8V) or 24VDC (27.6V) power
supply, with the range between 10.2VDC to 28.8VDC.
If the power supply voltage exceeds 28.8VDC, an alert tone sounds and
HI DC flashes for 5 seconds. The power source must not exceed 32VDC
otherwise permanent damage may occur to your radio, which may not be
covered by the manufacturer's warranty.
NOTE
If the input voltage falls below 10.2VDC, LO DC flashes for 5 seconds. The
power turns off automatically if voltage falls below 9.0VDC.
Switch your UH8080NB OFF and disconnect it from the power source,
before locating the cause of the power supply problem.
UNIDEN UH8080NB
12
UHF CB Transceiver