Roberts Radio R9974 - Manual (Page 17)

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17
Display backlight
1. The display backlight will be switched on for approximately 15 seconds
when any button is pressed, during station scanning and when the
alarm is operating.
Headphone socket
1. A 3.5mm Headphone Socket located on the left hand side of your radio
is provided for use with either headphones or an earpiece. Inserting
a plug automatically mutes the internal loudspeaker.