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Troubleshooting in brief
Problem Solution
Nothing happens when you
try to start the units.
Connect the charger and check that charging starts within
10 seconds.
Please note! If charging does not start within 10 seconds,
disconnect the charger immediately and contact the nearest
dealer!
No sound can be heard in
the headphones when the
Receiver Unit is switched
on.
Turn up the volume using the volume control (9).
Check that the internal microphone has been selected as
the signal source and that it works by gently scraping on
the microphones (1).
Check that the headphone plug is securely inserted in the
headphone output.
Connect the headphones to another sound source (with
a 3.5 mm headphone output) to test whether the head-
phones are working.
No sound can be heard in
the headphones when the
Receiver Unit is switched
on and External Sound is
selected.
Check that the Transmitter Unit is switched on.
Check that the external microphone has been selected as
the signal source and that it works by gently scraping on
the microphone (16).
Check that the Transmitter is within range.
Problem Solution
Connect the radio link and check that the connection is
made without problems.
Check that the sound source is correctly connected to the
Transmitter if the stereo cable is connected to the External
Sound Source Input (20).
A high-pitched noise is
heard in the headphones.
Turn down the volume or increase the distance between
the microphone and headphones.
Direct the microphone away from you.
The sound breaks up or
comes and goes.
The Receiver Unit is too far away from the Transmitter
Unit. Move the units closer together.
More than one Receiver is connected to the Transmit-
ter and at least one Receiver is too far away from the
Transmitter.
Too many Receivers are connected to the same Trans-
mitter.
There are too many transmitters on 2.4 GHz or too many
Domino systems nearby which aect one another.
Please note that walls, concrete panels and metal reduce the
range.
12


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