User's Manual

70
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 head-phone output) to test whether the head-
phones are working.
No sound can be heard
n 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 internal microphone has been selected as
the signal source and that it works by gently scraping on
the microphones (16).
Check that the Transmitter is within range.