Roberts Radio R9921 - Manual (Page 8)

The battery indicator will appear in the display
immediately your radio is switched off. Batteries
should be replaced when the indicator shows less than
3. After removing batteries you have approximately 3
minutes to replace the batteries after which clock and
memory information will be lost.
When the low battery indicator
appears in
display replace batteries immediately.
Battery replacement
The clock time can be set automatically when
receiving an RDS station that transmits clock time
(CT). The CT information is transmitted once every
minute. If the station has sufficient signal strength the
clock will set within one or two minutes.
1. Switch on the radio with the Power button.
2. Select the FM waveband by repeat pressing of the
Bands button.
3. Fully extend the Telescopic aerial.
Setting the clock automatically
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