B
+8
0
-6
-12
-18
+4
dB
L
R
B
R
B
+8
0
-6
-12
-18
+4
dB
L
R
B
CF 21
Allgemeiner T
eil / General Section
GRUNDIG
Service
1 - 5
Operating Instructions
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.
GB
Front of the cassette deck
POWER
To switch the cassette deck on and off.
9
To stop all functions.
Q R
When the unit is in STOP mode: fast winding forward or backward.
When pressed during playback: MUSIC SEARCH forward (music search to the begin-
ning of next tracks) or backward (music search to the beginning of the previous tracks).
?
Opens the cassette compartment.
B
To start playback.
;
To switch the cassette deck to PAUSE.
d
B-C NR
To select the noise reduction system.
0-SET
For setting the tape counter to zero.
MEMO
This button is used for storing a tape position.
INFO
This button is used for switching between the COUNTER (tape counter) and TIME (real
time in minutes and seconds) display.
RECORD/MUTE
To start the recording function.
IR SENSOR
To receive signals from a system remote control.
BALANCE
This is used to adjust the sound balance between both stereo channels when
recording.
REC LEVEL
For setting the recording level.
ro Cho
REC
HIFI SINGLE CASSETTE DECK
CF21
LEFT
RIGHT
DOLBY B
-
C NR HX PRO
POWER
0-SET
MEMO
B-C NR
INFO
REC
RECORD/MUTE
IR SENSOR
BALANCE
REC LEVEL
POWER
INFO
9
Q
R
?
B
;
0-SET
MEMO
REC LEVEL
RECORD/MUTE IR SENSOR BALANCE
d
B-C NR
Switching on and off
• When you want to switch your cassette deck
on, press the
POWER
button. The yellow light
in the middle of the button indicates that the
unit is on.
button depressed:
POWER ON
button not depressed: POWER OFF
• When you want to switch the unit off, simply
press the
POWER
button again.
• If the mains plug of your cassette deck is
connected to one of the
AC OUTLETS
on the
amplifier, the
POWER
button of the amplifier
serves as the central switch for all units
connected to the
AC OUTLETS
.
– After switching on, your unit is always in the
STOP mode. The
d
B-C NR
switch remains in
the setting it was in when the unit was
switched off. The last tape counter position is
also stored.
GENERAL
PLAYBACK
Fast winding
These functions are only possible when in the
STOP mode.
• Press
Q
or
R
.
– The winding starts in the selected direction and
the indication
Q
or
R
lights up on the
display.
• To stop: press
9
.
MUSIC SEARCH function
The
Q
and
R
keys also enable you to select
directly a desired track on a cassette by skipping
one or more tracks. This can be done by briefly
pressing the
Q R
keys during playback. Up
to 15 tracks can be skipped in each direction.
• If you press
R
once, the tape will wind to
the beginning of the next track. If you press
Q
once, the tape will rewind to the
beginning of the current track.
• If you press
R
twice, the tape will advance
to the second track in forward direction,
pressing three times advances to the third
track, and so on to a max. of 15 tracks.
– The tape will wind to the beginning of the
selected track and playback will start
automatically.
The only requirement for this function is a 4-
second pause between each of the tracks.
Note:
On some music tapes, the search function
may recognize extremely quiet passages as pauses.
Stop at the end of the tape
At the end of a tape, the cassette deck
automatically switches to "STOP."
• If you, being at the end of the tape, attempt to
start playback or fast winding in the wrong
direction,
END
is shown in the display.
Inserting a cassette
• Press the
?
button to open the cassette
compartment.
• Insert the cassette, with the open side down,
and the full spool to the left into the
compartment.
• Close the cassette compartment by hand.
Playback
• Playback
B
can only be started if there is a
cassette in the cassette compartment.
– If you press
B
,
RECORD/MUTE
,
Q
or
R
and the compartment is empty,
CASS
appears on the display for 1.5 seconds.
• With
d
B-C NR
, select the noise reduction system
with which the cassette recording was made.
• Press
B
to start playback.
– The bargraph in the display shows the sound
level of the recorded music.
• If you want to briefly interrupt playback, simply
press
;
(PAUSE).
– The
;
indication on the display lights up.
• If you want to continue playback, press
B
again.
– The
;
indication goes out.
– The deck plays one cassette side and stops
automatically at the end.
• If you want to stop the tape before it reaches
the end, simply press
9
.
Protecting cassettes against
unintentional erasure
Every time you record onto a tape, its contents is
erased and replaced by the new recording.
In order to avoid unintentional erasure of a
recording, carefully remove its safety tabs with,
for example a screw driver.
Original recordings are already protected
against unintentional erasure.
If you wish to record on a 'protected' cassette,
place a small strip of tape over the correspon-
ding holes.
Preparing to record
Copyright:
Making recordings from a prerecor-
ded sound track is only permissible insofar as the
Copyright or the rights of third parties are not
infringed upon.
Recording on protected cassettes is not possible,
CASS appears in the display for 1.5 seconds,
and recording is prevented.
• Insert an unprotected cassette in the cassette
compartment and wind to the desired tape
position.
• Switch on the noise reduction system with
d
B-C NR
.
– The display indicates the selected setting.
• Select on the amplifier or receiver the source
from which you want to record
• Press
RECORD/MUTE
: the unit switches to
‘RECORD PAUSE’
– The red REC LED lights up.
– The display shows the
REC
and
;
indications.
– The Bargraph indication on the display shows
recording level which can be adjusted with the
REC LEVEL
control.
RECORDING
;
REC
B
+8
0
-6
-12
-18
+4
dB
L
R
REC
B
+8
0
-6
-12
-18
+4
dB
L
R
B
MEMO
1
Recording level adjustment
The recording level of your recording should be
properly adjusted.
This means that the loudest passages should not
exceed "0" in the recording level (dB) bargraph
display (= 100% modulation).
• You can set the correct recording level with the
REC LEVEL
controller.
• Recording level differences between the left
and right channels can be corrected with the
BALANCE
controller.
Starting a recording
• Press
B
to start the recording.
– The display shows the
REC
and
B
indications.
– The red REC LED lights up.
• If desired you can fade a recording out, by
slowly turning the
REC LEVEL
counter clock-
wise; to fade a recording in turn clockwise to
the desired recording level.
• To interrupt the recording , press
;
.
The
;
symbol lights up.
– The unit is now in the ‘RECORD PAUSE’ mode.
• If you want to resume the recording press
B
again.
–
;
goes out and
B
lights up again.
– The unit automatically stops recording when
the end of the first side of the cassette is
reached.
• Press
9
to stop recording at an earlier point.
Resetting the tape counter
• Press the
0-SET
button, for example at the
beginning of a recording, to reset the tape
counter to 0.
Storing tape positions
• You can store the current tape position by
pressing
MEMO
.
– The indication
MEMO
appears in the display.
• When you press
Q
(in stop mode), the
cassette deck rewinds and stops at the stored
position.
• Pressing
MEMO
again ends this function.
Recording pause with RECORD MUTE
In order to find a track with the MUSIC SEARCH
function, there must be a 4-second recording
pause between the individual tracks.
• Therefore, briefly press
RECORD/MUTE
once
at the end of a track.
– The red indicator REC flashes for 4 seconds.
– The unit generates a 4-second recording pause
and waits for you to resume recording
(RECORD PAUSE).
• Resume recording by pressing
B
.
• If you keep
RECORD/MUTE
pressed longer,
the recording pause will last as long as you
keep the button pressed.
• When you release the button, the unit waits in
recording pause.
– The flashing red indicator indicates the length
of the pause.
OTHER FEATURES
R
➥
➥
+8
0
-6
-12
-18
+4
dB
L
B
B
+8
0
-6
-12
-18
+4
dB
L
R
B
B
;
REC
B
+8
0
-6
-12
-18
+4
dB
L
R
MEMO
Switching from the tape counter to
the real time display
• You can use the
INFO
button to switch
between the tape counter and the real time
display (minutes and seconds).
Calculation of the time
When you begin playback with real time
display, the colon between the minutes and
seconds field (-:--) briefly blinks.
During this time the tape thickness and other
values are calculated. When this process is
concluded, the real time is displayed.
After this, the displayed time is also correct during
fast forward and fast reverse winding.
Caring for the unit
• Wipe the housing clean with a soft, antistatic
cloth.
• Never use cleaning agents which contain
alcohol, methylated spirits, ammonia or
abravises.
To ensure consistent recording and playback
quality, you should clean playback and
recording heads, the capstan, and the capstan
idlers regularly.
• Use a special cleaning cassette.
• In the case of malfunction, refer to your
specialized dealer.
OPERATING ELEMENTS
