Roberts Radio R876 - Manual (Page 11)

If you need any further advice, please call our Technical Helpline on :-
0181 758 0338 (Mon-Fri) 9
The battery indicator will display the battery condition for
approx. 7 seconds after the radio is switched off. If the
indicator falls below "2" the batteries should be replaced.
After removing the batteries you have approximately 3
minutes to replace the batteries after which clock and
memory information will be lost.
Battery replacement