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Grundig EC 4490 CD Betriebsanleitung Seite 18

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A4
12 V ignition voltage
Supply voltages
– Connect to terminal 15, if you wish to
Blade contacts A: Figure
switch the car radio on and off with the igni-
tion/start switch.
A8
– operating voltage (earth)
Connect to terminal 31 (earth) of the vehicle.
– Connect to terminal 30. The car radio can-
not be switched on and off with the ignition/
A7
+12 V operating voltage
start switch.
Connect to terminal 30 (permanent plus) of
the vehicle.
If the ignition is switched off, the radio is not
switched off after one hour and the Security
A6
Car radio illumination
LED does not flash.
Connect the blade contact A 6 to terminal 58
of the vehicle.
To ensure a correct operation of the radio,
When the vehicle's headlights are switched
this contact must always be connected to
on, the illumination of of the switched off car
terminal 15 or 30.
radio can be controlled.
A2
Phone mute connection
Blade contact A 6 not connected:
for car telephone or CB radio.
No illumination when the radio is switched
The car radio is "muted" when the car tele-
off.
phone or CB radio is in operation.
PHONE
The display indicates "
A 5
+12 V switching voltage output
EXPERT functions.
(max. 0.5 A)
For this, the blade contact A2 must be
on blade contact A 5 when the radio is
connected from the mute output of the tele-
switched on.
phone/CB radio to earth!
For automatic aerial (extend/retract),
aerial amplifier (operating voltage) etc.
Important Information
Alternative frequencies
Audio- cassettes
An RDS programme is broadcast by several
are subjected to high temperatures during car
stations, each with a different broadcast
radio operation. Therefore use only high-
frequency (alternative frequencies).
quality heat-resistant C 60 and C 90 Cr0
cas-
2
You select an RDS programme and your car
settes from name-brand manufacturers.
radio will always tune to a station with an
alternative frequency giving best reception of
Radio reception conditions
the same RDS programme.
VHF (FM) reception
Enhanced Other Network (EON)
Reception conditions change constantly while
you are driving.
This functions allows you to listen to traffic
Mountains, buildings or bridges can all
announcements even if you have tuned in an
disturb reception.
RDS programme without traffic announce-
This is particularly true when you are farther
ments.
away from the station.
Prerequisite:
Radio Data System (RDS)
The radio station that is broadcasting your
RDS is an information system the signals of
selected RDS programme with EON broad-
which are broadcast along with the FM radio
casts an additional RDS programme which
station programme.
offers traffic announcements.
Programme service
Traffic announcement standby
With RDS programmes, you see the abbrevi-
in the case of RDS programmes with EON if
ated name of the programme in the display,
"TP" is activated in the dispaly and the RDS
BAYERN 3
e.g. "
"
programme tuned to remains audible.
which stands for Bayerischer Rundfunk –
Switching TP on/off
Programme 3.
Press the
¡
button.
TP
Please note that RDS programmes can have
TP on: "TP" in the display is surrounded by a
different regional stations and programme
frame.
names.
Installation and Removal
Loudspeakers
Blade contacts B: Figure
Maximum output power
With 4Ω loudspeakers: 4 x 7 W.
With adapter supplied: 2 x 20 W in 4 Ω.
Front speakers
Rear speakers
B 3 right-hand +
B 1 right-hand +
B 4 right-hand –
B2 right-hand –
B 5 left-hand +
B 7 left-hand +
B 6 left-hand –
B 8 left-hand –
If you wish to connect only two
loudspeakers:
s
Use the adapter supplied (Fig.
) to combine
the four 7 W loudspeaker outputs to two 20 W
outputs. For this, connect the 20 W adapter to
the socket B (Fig.
).
", see page 16,
Connection of the front speakers (see above)
is not changed but the rear sockets remain
free.
í
Do not electrically connect speaker
connections to each other and do not
connect to chassis!
If a malfunction should occur
please consult your dealer.
In the Federal Republic of Germany, Grundig
car radios can be exchanged by your dealer
on request for a works-tested exchange unit
in the event of a defect occuring.
Please note:
It is a condition for your dealer to participate
in this exchange system that the guarantee
seal on your car radio is not damaged.
Care and maintenance
The front panel of the car radio must only be
cleaned with a soft, dust-absorbent, anti-static
cloth. Polishing and cleansing agents may
damage the surface of the trimplate.
The tape head must be free of tape dust in
order to avoid losses in the treble tones
during playback. Therefore you should clean
the tape head with a cleaning cassette after
every 50...100 hours of operation.
Line output
Aerial
Connection for booster or active speaker.
The car radio is designed for aerials with an
C11 Rear speaker, left +
impedance of 75Ω to 150Ω. Extended aerial
C12 Rear speaker, right +
cables, e.g. for aerials at the rear of the car,
C13 Earth –
may impair reception.
C14 Front loudspeaker, left +
C15 Front loudspeaker, right +
Figures
and
C16 Switching voltage for booster on/off
– If necessary, use the aerial adapter (fig.
).
(max. 0.3 A).
– Fix the aerial adapter (fig.
) or aerial cable
The total current consumption resulting
(fig.
) in the plastic holder.
from the connections C 17, C6 and A 5 is not
allowed to exceed 0.5 A.
Additional connections
Blade contacts C: Figure
Fuse T 7.5 A
CD changer and AUX connection
Figure
C 13 CD bus control line. For AUX mode,
Blade-type fuse T 7.5 A / DIN 72 581– plugged.
connect with C15.
C 15 CD bus, earth.
C 16 +12 V supply voltage for CD changer.
C 17 Switching voltage for CD changer.
C 18 CD-AF/AUX-AF, earth.
C 19 CD-AF/AUX-AF, left.
C 20 CD-AF/AUX-AF, right.
Troubleshooting
The radio cannot be switched on
Poor reception
Insert the left-hand
control knob once
Are you in an area of bad reception conditions
again.
(eg., underground car park, tunnel, valley,
etc.)?
¡
Press and hold down the
button for at
IO
In this case, reception will surely improve
least 1 second.
when changing the location.
Check the fuse at the back of the radio, see
If reception gets nevertheless not better, the
page 21). If it is defective, take the radio to
aerial or aerial lead might be damaged. Let
your specialized dealer.
check your radio by a specialist.
Security LED
Reception is frequently interrupted
If the security LED does not function, let
Your are in an area of very bad reception con-
check the connections of the radio by a spe-
ditions. Here it may happen that pauses occur
cialist (see page 17/Connection A4).
when the radio tries to change to alternative
Select the EXPERT control level (see page
BLK ON
frequencies. In this case, the AF function
13).»
«.
should be switched off (see page 6).
Installation and Removal
CD does not play
Note the error messages shown in the display
and read the operating instructions of the CD
changer.
MAGAZINE
CD magazine missing or not
locked in.
MECHANIC
CD changer – mechanical defect.
NO CD
CD magazine empty.
NO COMMU
Data transmission interrupted.
SURFACE
CD incorrectly inserted or
distorted data transmission.
TOO HOT
CD changer overheated.
One loudspeaker is dead
Check the setting of the FADER and BALANCE
controls and correct if necessary. If this
brings no result, let check the loudspeaker
leads and the loudspeakers by a specialist.

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