Battery operation
1.Remove the Battery cover on the rear of the unit by pushing the catches in the direction shown by the arrows.
2.Insert four LR20 (D size) batteries into the spaces in the compart- ment. Take care to ensure all batteries are inserted with the correct polarity as shown inside the battery compartment. Replace the battery cover.
note : the batteries provide power for the clock/memory backup and must be fitted at all times.
3.Reduced power, distortion and a ‘stuttering’ sound are all signs that the batteries may need replacing.
4.If the radio is not to be used for any extended period of time it is recommended that the batteries are removed from the radio.
We would recommend for economy that the R9943 is used on the mains whenever possible with battery operation for occasional or
Battery replacement
1.The battery indicator will appear in the display (not when connected to mains) for 7 seconds after the radio is switched on or off. The
battery indicator will show 
when the batteries are new. The batteries should be replaced when the battery indicator shows
. If the battery power is too weak to switch on the radio the
battery indicator will flash 
. After removing the batteries you have approximately 3 minutes to replace the batteries after which the clock and memory information will be lost.
Mains operation
1.Place your radio on a flat surface.
2.Plug the mains lead into the Socket located on the rear of your radio ensuring that the plug is pushed fully into the socket.
3.Plug the other end of the mains lead into a wall socket and switch on the wall socket.
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