Turning on the Power
Press and hold
[VOL/PWR]
control at the base.
NOTE
Low-Voltage/High-Voltage Alert
The PRO5050 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.
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 PRO5050 OFF and disconnect it from the power source, before
locating the cause of the power supply problem.
Operation
14
UNIDEN PRO5050
AM-CB Transceiver
Setting the Volume
Turn the volume control at the base.