Sangean PR-D3 Mode D'emploi page 8

CHOOSING A POWER SUPPLY
This radio can be operated using: 4 Alkaline UM-1 (D size)
batteries or AC power (230V/50 Hz or 240V/50 Hz)
GB
AC operation
Before you plug the AC cord into the radio be sure the AC voltage
is 230 Volts/50 Hz (European version)/240 Volts/50 Hz (Australian
version). If you have batteries in the radio and you use the AC
power cord, the batteries will automatically be disconnected.
The AC cord should be disconnected from the mains supply when
not in use.
Note:
If you remove the power cord without turning the radio OFF, the
radio will automatically revert to the batteries
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