Roberts R871 Manual page 10

Headphones (not included)
A "Headphone Socket" is provided for use with either head-
phones or an earpiece. Inserting a plug automatically mutes
the internal loudspeaker.
Mains adaptor (not included)
The AC adaptor for use with the R871 should provide 4.5 volts
DC output at 300mA centre pin negative. Plug the adaptor into
a mains outlet. Plug the lead from the adaptor into the "DC
Socket". The battery will be automatically disconnected.
The mains adaptor should be disconnected from the mains
supply when not in use.
Imported by:-
ROBERTS RADIO LIMITED
PO BOX 130
MEXBOROUGH
SOUTH YORKSHIRE
S64 8YT