Roberts Radio RD4 - Manual (Page 12)

12
Earphones
Plug the earphones into the Earphone Socket on the side of the
unit.
Check the Volume Level icon shows that the volume is not too loud
and place the ear-pieces into your ears.
Do not turn on the radio with the earphones connected and
inserted in your ear. Loud noises can damage your hearing.
Aerial
The lead connecting earphones to your radio acts as an aerial when
plugged into the Earphone socket. The lead should be extended as
much as possible to increase reception.