Allgemeiner T
eil / General Section
EC 4790 CD
1 - 8
GRUNDIG
Service
Operating Hints
This chapter contains excerpts from the operating instructions. For further particulars please refer to the appropriate user instructions the part number of which is indicated in the relevant
spare parts list.
Example: Bass
Repeatedly and briefly press the left-hand
control knob
ÄÄ
until the display indicates:
Turn the left-hand control knob
ÄÄ
until the
bass tones are to your taste.
Instant resetting to medium position:
Press the left-hand control knob
ÄÄ
until a
signal sounds.
LOUD (Loudness)
The loudness function improves the sound
quality at low volume. It can be switched on
and off with the left-hand control knob
ÄÄ
.
Press the
ÄÄ
knob until the signal sounds. The
display then indicates either ”
LOUD ON
” or
”
LOUD oFF
”.
Volume and Sound Settings
Volume
Turn the left-hand control knob
ÄÄ
.
The display indicates:
”
VOL 00
” … ”
VOL 46
”.
Sound settings
For each of the FADER, LOUD, BASS,
TREBLE, and BALANCE settings applies:
1. Select the desired function by briefly
pressing the left-hand control knob
ÄÄ
once or several times.
2. Adjust the desired sound by turning the
left-hand control knob
ÄÄ
or
select the basic setting: press the left-hand
control knob
ÄÄ
until a signal sounds.
3. Terminate settings: press the left-hand con-
trol knob
ÄÄ
again until the display indica-
tes, for example, the name or frequency of
the station.
66
After approximately 10 seconds, each
setting is terminated automatically.
FAD (Fader)
The fader function is used to alter the balance
between the front (”F”) and rear (”R”) loud-
speaker groups.
66
If you wish to connect only one loudspea-
ker pair, use the 2 x 20 Watt adapter sup-
plied. The fader control then must be set to
its medium position.
BAL (Balance)
The balance function is used to alter the
balance between the left (”L”) and right (”R”)
loudspeakers.
Left-hand
control knob
ÄÄ
SOUND
Radio (Tuner)
Selecting the TUNER FM range
Repeatedly and briefly press the
¡
button
until the display indicates ”
TUNER FM
”.
Stereo reception (FM only)
You are receiving a stereo broadcast when the
display indicates ”
)
” .
Traffic announcement standby (TP)
TP (TRAFFIC PROGRAM) =
stations broadcasting traffic announcements.
Switching TP on/off:
Briefly press the
¡
TP
button.
Traffich announcement stanby on: the ”TP”
sign is surrounded by an orange rectangle.
66
If the station tuned to is no TP station, the
radio starts automatically a search for the
next TP station.
Aborting the current traffic announcement:
Briefly press the
¡
TP
button.
Traffic announcements come through
with a certain minimum volume.
You can adjust this minimum volume for
traffic announcements in the EXPERT control
level menu, see page 15, EXPERT
§?
.
66
You will hear only traffic annoucements if
the "Traffic announcement standby" func-
tion is activated with the
¡
TP
button and
the volume level is set to ”zero” with the
left-hand control knob
ÄÄ
(turn to left end
stop).
66
When a traffic announcement is received,
CD play or CD changer play will be inter-
rupted for the duration of this announce-
ment.
Alternative frequencies (AF)
When receiving a DSR programme which is
broadcast by several stations on different fre-
quencies, the car radio will automatically tune
to the frequency giving best reception.
66
When you are in an area with very poor
reception conditions, it may happen that
short pauses occur while the radio is
searching for the alternative frequencies.
It is best in this case to switch the AF
function off.
Switching off the AF function
This applies only for stations broadcasting
alternative frequencies.
Press the
¡
TP
button until the signal
sounds. The red rectangle around the
”AF” sign disappears.
Indication:
AF
AF switched off, but the received
station offers AF.
Re-activating the AF function
Press the
¡
TP
button until the signal
sounds. A red rectangle around the ”AF” sign
appears.
Indication:
The received station offers AF and the
function is activated. This is the factory
default setting.
AF
2. Select a station/RDS programme (FM), for
example, by calling up a LEARN memory
position.
66
If the selected station/RDS programme is
already stored in a memory position, the
display will indicate its number.
3. Store the selected station/RDS programme:
Briefly press the
¡
button. The STORE
sign is shown in the display. Select the
desired memory position (Preset) number
1 to 48 by turning the right-hand
¢
¢
control
knob.
Confirm this by pressing the
¡
button
or the right-hand
¢
¢
control knob until the
signal sounds and ”
STORED
” appears in the
display.
66
If you select no Preset number, the station
is automatically allocated to the next free
Preset. The display indicates ”
FREE
”.
66
The selected AF and TP settings are stored
along with the station.
Setting RDS programmes with the
LEARN memory
With the push of a button you can store up to
25 RDS programmes in the LEARN memory!
The stored RDS programmes can be called up
one after the other, see ”Important Informati-
on”, page 20.
66
The LEARN memory is useful if you are
in an unknown reception area and do
not wish to erase your stored stations
(Presets).
Releasing a LEARN search
Select the ”
TUNER FM
” range by pressing the
¡
button.
Press on the right-hand
¢
¢
control knob until
the first signal sounds.
”
LRN ...
” appears in the display and the radio
scans the FM range.
66
Always wait until the LEARN search is
completed. It is not possible to abort the
search function.
Radio
66
If no reception is possible (in an under-
ground car park, or when the aerial is
defective, for example, see page 21), the
LEARN search function can be endless.
As soon as the LEARN search function is
completed, up to 25 stations are stored
and you will hear the station giving best
reception.
Calling up the LEARN memory contents
Select the ”LEARN” mode by repeatedly pres-
sing the right-hand
¢
¢
control knob until the
display briefly indicates ”
LEARN
”.
Turn the right-hand
¢
¢
control knob to call up
the Presets stored in the LEARN memory in
the desired direction.
While the radio scans the memory, the display
indicates ”
RDS-SCAN
”.
Allocating FM Presets
48 Presets (memory positions) are availabe in
the ”
TUNER FM
” range.
1. Select the ”
TUNER FM
” range by pressing
the
¡
button.
Manual frequency tuning
1. Select the ”
TUNER FM
” or ”
TUNER AM
”
range.
2. Press the right-hand
¢
¢
control knob until
the second signal sounds and the display
indicates the red ”MAN” sign and briefly
”
MANUAL
”.
3. Turn the right-hand
¢
¢
control knob to the
left or to the right to change the frequency
in the corresponding direction in steps of
50 kHz in the FM band and in steps of
1 kHz in the AM band. The display indica-
tes ”
FM 92.70
”, for example.
66
The right-hand
¢
¢
control knob has a
”flywheel” function for fast tuning.
4. If you wish to store the found stations on
Presets (memory positions), see page 8,
”Allocating FM presets”.
5. To terminate manual frequency tuning,
press the right-hand
¢
¢
control knob.
Selecting stations/RDS programmes
with the search function
1. Select the ”
TUNER FM
” range by pressing
the
¡
button.
2. Repeatedly and briefly press the right-hand
¢
¢
control knob until ”
SEARCH
” appears
briefly in the display.
3. Turn the right-hand
¢
¢
control knob to start
the search function in the desired direction.
66
The search function operates with two
different sensitivities. When exploring the
frequency range the first time, it searches
for stations with high field strength (local
reception). When exploring the range the
second time, it searches also for stations
with low field strength (distant reception).
4. If you wish to store the found stations on
Presets (memory positions), see page 8,
”Allocating FM presets”.
Radio
Calling up Presets
1. Select the ”
PRESET
” mode by repeatedly
and briefly pressing the right-hand
¢
¢
con-
trol knob until the display briefly indicates
”
PRESET
” and then the green PRESET
sign.
2. Turn the right-hand
¢
¢
control knob to
select the desired Preset.
66
The memory contents are maintained even
when disconnecting the battery voltage.
Erasing Presets
To erase an occupied memory position (Pre-
set), briefly press the
¡
button until the
display indicates the STORE sign. Turn the
right-hand
¢
¢
control knob to select the Preset
you wish to erase then press this knob until
two signals sound and the display indicates
for approximately two seconds ”
ERASED
”.