Operating instructions
42
43
English English
Problem Possible cause Solution
Radio reception
interference.
1. Unsuitable antenna position. 1. Apply the tensioned (!) cable antenna as free as possible,
away from metal surfaces.
2. Difficult geographic location. 2. Use a roof antenna or broadband cable connection.
3. The transmitter was not set correctly. 3. Align the transmitter manually according to description
on page 38.
A set radio transmitter
is no longer present
after switching off and
on again (display back
to 87.50 ).
The transmitter was not stored on the memory
slot.
Repeat the storage process as described on page 38.
The musikbox M has
too little or no bass.
1. The output for an external subwoofer is
activated but no subwoofer is connected
or operational.
1. Deactivate the output as described on page 39
or connect a functional active subwoofer.
2. The musicbox M is placed acoustically
unsuitably.
2. Set up the system (if possible) at another position
(e.g. closer to the wall).
3. The bass level in the menu is set to a value
of < 0 dB.
3. The bass level in the menu “Bass” must be adjusted
according to the instructions on page 39.
4. Use an external subwoofer with incorrect
phasing (phase matching) between the
internal bass loudspeakers and external
subwoofer.
4. Correct the phasing at the external subwoofer to adjust it
to the internal bass loudspeaker or adjust the position of
the external subwoofer.
Problem Possible cause Solution
The musikbox M has
too much bass.
1. The bass level in the menu “Sound control”
is set to a value of > 0 dB.
1. The bass level in the menu “Bass” must be adjusted
as described on page 39.
2. Listening with high volume and additional
activated “Bass expand”.
2. Set “Bass expand” to “Off” as described to page 39.
3. Use of an external subwoofer with too much
level.
3. Correctly set the external subwoofer (with less level).
4. The system is placed acoustically unsuitably. 4. Set up the system (if possible) at another position
(e. g. farther away from the wall).
The musikbox M
sounds “dull” (not
enough treble).
The acoustic space is acoustically strongly
dampened of the “treble” sound control is
lowered.
Lift the treble in the menu “Treble” as described
on page 39.
The musikbox M
sounds “sharp”/
“aggressive” (too
much treble).
The acoustic space is acoustically “hard” (little
dampened).
Adjust the treble in the menu “Treble” according
to page 39 of the instructions.
No playback via
Bluetooth.
1. There is no connection between the
musicbox M and the mobile end device.
1. Connect your mobile end device as described
on page 36 of the instructions.
2. The mobile end device is connected but
no playback takes place.
2.1. The mobile end device must be connected again.
2.2. You are out of range.
2.3. Set the volume at the mobile end device to the
maximum possible value.










