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9
.
83
FREQUENTLY ASKED QUESTIONS
Q
UESTIO
N
A
N
S
WER
S
OLUTIO
N
Th
e
r
e
i
s
a
d
iff
e
r
e
n
ce
in
s
ound qualit
y
between the
d
iff
e
r
e
nt
aud
i
o
sou
r
ces
(
radio, CD...
)
.
For optimum sound qualit
y
, the audio settin
g
s
(
Volume, Bass, Treble,
Ambience, Loudness
)
can be adapted to the different sound sources, which
ma
y
result in audible differences when chan
g
in
g
source
(
radio, CD...
)
.
Check that the audio settin
g
s
(
Volume, Bass,
Treble, Ambience, Loudness
)
are adapted to the
s
ources listened to. It is advisable to set the A
U
DI
O
functions
(
Bass, Treble, Front-Rear Balance, Left-
R
i
g
ht Balance
)
to the middle position, select the
musical
a
m
bie
n
ce
"No
n
e"
a
n
d
se
t t
he
loud
n
ess
c
orrection to the "Active" position in
C
D mode or to
the "Inactive" position in radio mode.
The CD is e
j
ected
automaticall
y
or is not
pl
a
y
e
d
by
t
h
e p
l
a
y
er.
The CD is inserted upside down, is unpla
y
able, does not contain an
y
audio
data or contains an audio format which the pla
y
er cannot pla
y
.
The CD is protected b
y
an anti-piratin
g
protection s
y
stem which is not
r
eco
g
n
i
se
d
by
t
h
e au
di
o equ
i
pment.
- Check that the CD is inserted in the pla
y
er the
ri
g
ht wa
y
up.
-
C
heck the condition of the
C
D: the
C
D cannot
be pla
y
ed i
f
it is too dama
g
ed.
-
C
heck the content in the case o
f
a recorded
C
D: consult the advice in the "Audio" section.
- The audio equipment's
C
D pla
y
er does not
pla
y
DVDs.
- Due to their qualit
y
level, certain writeable CDs
will not be pla
y
ed b
y
the audio s
y
stem.
The messa
g
e "U
S
B
p
eripheral error" is
displa
y
ed on the screen.
Th
e
Bl
ue
t
oo
th
co
nn
ec
ti
o
n
i
s
cu
t.
The batter
y
o
f
the peripheral ma
y
not be su
ffi
cientl
y
char
g
ed. Rechar
g
e the batter
y
o
f
the peripheral device.
The U
S
B memor
y
stick is not reco
g
nised.
The memor
y
stick ma
y
be corrupt.
Re
f
ormat the memor
y
stick.
The CD pla
y
er sound is
poor
.
The CD used is scratched or of poor qualit
y
. Insert
g
ood qualit
y
CDs and store them in suitable
co
n
di
t
io
n
s
.
The audio equipment settin
g
s
(
bass, treble, ambiences
)
are unsuitable.
S
et the treble or bass level to 0, without selectin
g
a
n
a
m
b
i
e
n
ce
.
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