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9
.
83
FREQUENTLY ASKED QUESTIONS
Q
UESTIO
N
A
NSWER SOLUTIO
N
Th
e
r
e
i
s
a
d
iff
e
r
e
n
ce
in
s
oun
d
qua
li
t
y
b
etween
th
e
d
i
ffe
r
e
nt
aud
i
o
s
ources
(
radio,
C
D...
)
.
For optimum sound qualit
y
, the audio settin
g
s
(
Volume, Bass, Treble,
Ambience, Loudness
)
can be adapted to the di
ff
erent sound sources,
which ma
y
result in audible di
ff
erences when chan
g
in
g
source
(
radio,
C
D...
)
.
Check that the audio settin
g
s
(
Volume, Bass,
Treble, Ambience, Loudness
)
are adapted to
t
he
sou
r
ces
lis
t
e
n
ed
t
o
.
I
t
is
ad
v
isable
t
o
se
t
the AUDI
O
f
unctions
(
Bass, Treble, Front-Rear
Balance, Le
f
t-Ri
g
ht Balance
)
to the middle
p
osition, select the musical ambience "None" and
s
et the loudness correction to the "Active"
p
osition
in CD mode or to the "Inactive"
p
osition in radio
mode
.
The CD is e
j
ected
automat
i
ca
lly
or
i
s 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
a
udio data or contains an audio
f
ormat which the pla
y
er cannot pla
y
.
The
C
D is protected b
y
an anti-piratin
g
protection s
y
stem which is not
r
ecognised by the audio equipment.
- Check that the CD is inserted in the pla
y
er the
r
igh
t wa
y
up.
-
C
heck the condition o
f
the
C
D: the
C
D cannot
be played i
f
it is too damaged.
-
C
h
ec
k th
e
co
nt
e
nt in th
e
case
of
a
r
eco
r
ded
C
D: consult the advice in the "Audio" section.
- The audio equipment's CD pla
y
er does not
pla
y
DVDs.
-
D
ue to t
h
e
i
r qua
li
t
y
l
eve
l
, certa
i
n wr
i
tea
bl
e
C
Ds will not be pla
y
ed b
y
the audio s
y
stem.
The message "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 battery o
f
the peripheral may not be su
ffi
ciently charged. Recharge the battery o
f
the peripheral device.
The USB memor
y
stick is not reco
g
nised.
The memor
y
stick ma
y
be corrupt.
Reformat the memor
y
stick.
The
C
D pla
y
er sound is
poor
.
The
C
D used is scratched or o
f
poor qualit
y
. Insert
g
ood qualit
y
C
Ds 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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