Roberts Gemini RD-31 User Manual download pdf (Page 22)

Headphone socket

A 3.5mm Headphone Socket located on the rear of your radio is provided

for use with either headphones or an earpiece. Inserting a plug automatically

mutes the internal loudspeaker.

IMPORTANT: Excessive sound pressure from earphones and headphones

can cause hearing loss.

Line out socket

A 3.5mm Line out socket located on the rear of your radio is provided

for connecting the audio signal to an external ampliﬁer. Inserting a line out

audio cable will not mute the internal loudspeaker. Set the volume control

to minimum if desired.

Display backlight

1. When your radio is powered by batteries the display backlight will

be switched on for approximately 8 seconds when any button is

pressed.

2. When your radio is powered by AC mains the display backlight will

always be switched on when the radio is switched to on.

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Roberts Gemini RD-31 User Manual Page 22