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The following advice should help you to solve problems. If this does not help, you will find useful information
in the detailed FAQs on our website. Otherwise, please contact our hotline (see page 3). Take note of the
warranty instructions.
Problem
The MD16 doesn't work. The MD16 has no power.
The MD16 doesn't emit
sound.
The MD16 hums.
The sound is not ideal.
Playback is noisy.
No sound is emitted via
USB.
Interference and sound
cuts out when operating
the device via the USB
interface.
No sound when
connecting a USB MP3
player
No sound via AUX IN.
Receipt of radio interfer-
ence
Possible cause
The volume is set to "0".
The hum is due to line distur-
bance.
The humming is caused by a
multiple socket strip.
The settings are incorrect.
Generally speaking, the MD16
is a very low-noise system. The
speaker system with very high
resolution in the high range area
can expose the poor quality of
a signal source (e.g. from MP3
files).
No USB connection to the PC.
The AUX IN input ⑦ is occupied.
When using the Windows oper-
ating system, the MD16 suddenly
stops playback when using
conventional PC programmes like
iTunes or Internet Explorer. The
speakers start emitting sound
again once the application has
been closed.
Windows power-saving mode
is activated by default so that
the USB port is not constantly
supplied with sufficient power.
The USB input on the MD16 is only intended for connections to desktop
computers and notebooks.
Volume of the playback program
has been set to zero.
In very rare cases, the device
may pick up unwanted radio
frequencies. However, this
depends on the local conditions.
Troubleshooting
Solution
Check the wall adapter and socket.
Increase the volume (page 10).
Buy a mains filter and connect both devices to
it.
Use a different multiple socket strip or connect
the subwoofer directly to the wall socket.
Set the bass tones, treble tones and sound on
your PC.
Ensure that the source is sending a clear signal
to the MD16.
Establish a connection (see page 8).
Pull the jack plug out of the jack.
In Windows you can check a power-saving
option to deactivate USB peripheral devices
during periods of inactivity. This can also
include the built-in USB sound card of the
MD16. Please deactivate this setting.
Switch power-saving mode for the USB port off.
This can be done under Control panel\System\
Power options.
Carefully increase the volume on the source
device.
Please disconnect all audio cables from the
amplifier and check whether there is still
interference. We recommend using shorter,
higher quality audio connector cables that are
shielded if necessary.
• MD16
15
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