Roberts R1 - Audio Connections; Headphone and Auxiliary Sockets

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Headphone socket
A 3.5mm Headphone Socket located on the rear of your speaker is provided for
use with headphones. Inserting a plug automatically mutes the internal loudspeaker.
Please be aware that the sensitivity of headphones can vary widely. We therefore
recommend setting volume to a low level before connecting headphones to the
speaker.
IMPORTANT: Excessive sound pressure from earphones and headphones can
cause hearing loss.
To prevent possible hearing damage, do not listen at high volume levels
for long periods.
Auxiliary input socket
A 3.5mm Auxiliary Input socket located on the rear of your speaker is provided
for connecting the audio signal from an external audio source such as an MP3 or
CD player.
1. Connect a stereo lead from the headphone output of your MP3 or CD player
to the Aux In socket located at the rear of the speaker. Typically this lead will
have a 3.5mm stereo plug at both ends.
2. Switch on your speaker.
3. Press and release the Mode button until the Aux In mode is selected (green
indicator) or select 'AUX in' in the UNDOK app.
4. Press the 'play' on the connected audio device. If you are using its headphone
output for the connection, set its volume control to a level of somewhere between
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Note, if using an iPod as the sound source, you may need to set its output to
maximum to get an adequate audio signal level.
5. After use, disconnect your player by removing the cable from the Auxiliary input
socket in order to listen to your speaker conventionally.
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