Roberts Radio CRD-39 - Manual (Page 32)

Using the remote control
The buttons on the remote control have the same functions as the front
and top panel controls with the following exceptions:-
Tuning Up/down buttons and Volume Up/Down buttons instead of the
rotary control.
The sleep function can be operated by using the On/Off button. Press
and hold the On/Off/Sleep button until the sleep options appear on the
display.
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