CONTROLS
AND THEIR FUNCTIONS
Figure I
O 'ON/OFF' switch
If the 'ON/OFF'
switch
is pressed,
it takes seven
seconds
before the amplifier is completely switched on. This switching
on may be heard by the snapping-in of the loudspeaker relays.
@ 'BASS/TREBLE' tone controls
Bass and treble can be adjusted to your own preference using
these controls. The neutral position is 'O'.
@ 'REC OUT' recorder output switch
For transmitting the signal from the sound source to be
recorded to the sockets @'TAPE OUT 2'
'TAPE OUT 1'
If no recording is made, this switch should preferably be set
to the 'Source' position.
Note: For further
details on the use of this switch,
see section
'Use with
a recorder'
under
'OPERATION'.
@ 'SELECTOR' sound source selector switch
For playback from a Compact Disc player, record player,
tuner, television and video equipment, which are connected to
the corresponding
sockets.
@ function displaywith indicatorsfor: 'CD', 'PHONO', 'TUNER',
'TV/AUX 1', 'VIDEO/AUX 2', 'TAPE 1' and 'TAPE 2'.
These indicators light up according to the sound source
selected.
@ 'CD DIRECT' indicator
This indicator lights up if selector switch @ 'CD DIRECT' is
pressed in.
@ 'VOLUME' control
In order to improve the signal/noise ratio at the low volume
settings, this volume control is lead out internally in quadru-
plicate.
@ 'PHONES' socket for stereo headphones
For connecting stereo headphones with an impedance of
8-1000 ohms. By unlocking the switches @'SPEAKERS', it is
possible to listen seperately via the headphones.
@ 'SPEAKERS' switches A and B
For switching the loudspeakers connected to the corre-
sponding loudspeaker connections @ on and off.
See also 'GENERAL
INFORMATION'
section
for this.
@ 'LOUDNESS' correction switch
Switch for additionally amplifying the treble and bass at a low
volume.
0 'TONE DEFEAT' tone control switch
For switching the tone controls @'BASS/TREBLE' on and off.
Switch not pressed in, then the sound reproduction can be
modified with tone controls O.
Switch pressed in, then the tone control is switched off. This
is comparable with the tone controls@in the neutral position
'0'.
@ 'MONO' switch
In the 'MONO' position (pressed in) the channel separation
between left and right is cancelled. The same (mixed) signal
is reproduced
via both channels.
Select this position if stereo noise occurs during the reception
of weak FM stereo broadcasts or when reproducing a mono
( = single channel) sound source.
In all other cases select the 'STEREO' position (not pressed
in).
@ 'TAPEMONITOR1' selector switch
For playbackfrom a recorderconnectedto the sockets@and
Important: Thisswitchoverridesselector switches@and@.
@ 'TAPE MONITOR 2' selector switch
For playbackfrom a recorder connectedto sockets@and@.
Important: This switch overrides the sound source selector
switch G).
@ 'TAPE COPY1 + 2' dubbing button
For dubbing sound recording tapes from recorder tape I to
recorder tape 2.
@ 'TAPE COPY 2
1' dubbing button
4
For dubbing sound recording tapes from recorder tape 2 to
recorder
tape 1
@ selector switch for 'MM' or 'MC' record player cartridge
Depending on the cartridge used, this switch must be in the
'MM' (Moving Magnet) or 'MC' (Moving Coil) position.
See the record player manual for this.
Button @ not pressed in: 'MM' position.
Button @ pressed in: 'MC' position.
@ Compact Disc direct switch 'CD DIRECT'
For direct playback from a Compact Disc player.
Note: For further details on the use of this switch, see section
'Use with
the
CD DIRECT
switch'
under
'OPERATION'.
@ 'BALANCE' control
For the balance adjustment of left and right stereo channel.
OPERATION
Use with
the
sound
source
selector
switch
Ensure that the volume control C) 'VOLUME' is not set at
f.
maximum.
Set this preferably to a low position in order to prevent damage
to your loudspeakers.
Switch the amplifier on with switch @ 'ON/OFF'.
2.
The border lighting around the volume control @ and above
the 'ON/OFF' switch @ lights up.
3. Switch the loudspeakers on with switch(es) @ 'SPEAKERS'.
Button 'A' pressed in: for loudspeakers
connected
loudspeaker connections @ 'system A', see Figure 3.
Button 'B' pressed in: for loudspeakers connected to the
loudspeaker connections @ 'system B', see Figure 4.
Switch the required sound source on and set it for playback.
4.
Set the 'SELECTOR' switch@on the amplifier to the position
5.
corresponding
to the sound source.
The corresponding indicator now lights up on the 'function
display' @
Important:
Selector switches @ and @ should only be
pressed in if you want to make a recording. In all other cases
the sound is interrupted if the selector switches @ or@ are
pressed
in.
Slowly adjust the volume with control @ 'VOLUME'
6.
You cannot hear anything
and no indicator
lights up?
The amplifier is not switched on.
The amplifier iS not connected to the mains.
— The fuse @ is faulty.
The socket
is not live.
You cannot hear anything
but an indicator
lights up?
- Is 'SELECTOR'@ in the correct position?
- Is the selected sound source functioning properly?
— Are the loudspeakers properly switched on?
— Is the volume control
open enough?
Do not keep it in the MAX position!
- Is button @ 'TAPE MONITOR 1' or @ 'TAPE MONITOR 2' pressed in?
— Are the loudspeakers connected properly?
Before you check this, ensure that the amplifier is switched off.
7.
Adjust the stereo balance with control @) 'BALANCE'
Adjust the bass and treble with the control @ 'BASS/
8.
TREBLE'.
If required, press the mono switch @ 'MONO'.
9.
10.If required, press the correction switch @ 'LOUDNESS' with
a low volume position.
ll.lf required, press the tone control switch 0 'TONE DEFEAT'.
Does
the
sound
come
from
one
side?
-
Is the balance
control
set correctly?
- Check the connection
with the faulty loudspeaker.
- Check
the connection
between
sound source
and amplifier.
- Ifusing headphones, check that the plug isproperly insertedinthe
Does the amplifier
hum, buzz or howl during record playback?
- Check the earthing of the record player.
- Are the connection plugs pushed far enough into the sockets?
- Keep the connection cable to the record player as far away as possible
from mains cables (hum) or TV circuits
(buzz).
- The amplifier may howl as a result of acoustical
feedback from the
loudspeakers
to the record player unit. This occurs mainly at higher
volumes.
In this case change the positioning of the loudspeaker,
Use with
the
CD DIRECT
switch
For direct playback from a Compact Disc player.
If you use this switch, the signal from the connected CD player
is led directly via the volume control and the flat internal 'Tone
Defeat' amplifier to the output amplifier and reproduced-amplified.
The advantage of this is that the sound signal passes through as
few circuits as possible and thus gives high-fidelity reproduction.
Playback
I.
Switch the amplifier on with (j) 'ON/OFF'.
2.
Switch the loudspeakers on with @ 'SPEAKERS'.
to the
Switch the CD player on and set it for playback.
3.
4.
Press the 'CD DIRECT' switch @ on the amplifier.
If the 'CD DIRECT' switch @ is pressed in:
- the 'CD DIRECT' indicator @ lights up,
- the 'SELECTOR' switch@ is overridden.
— the tone controls @ 'BASS/ TREBLE' are switched off.
- the 'MONO' switch@ is switched off,
- the selector switches 0 'TAPE MONITOR 1'and@ 'TAPE MONITOR 2'
are
overridden.
the signal inputs and outputs, with the exception Of the CD input of the
amplifier, are disconnected, so that the high quality of the CD signal is not
affected.
Consequently no sound recording can be made with recorder I and/or
recorder
2.
Note: After playback is completed, the 'CD DIRECT' switch@should
released,
by pressing the switch once more. Indicator @ is then
extinguished.
Slowly adjust the volume with control @ 'VOLUME'.
5
Adjust the stereo balance with control @ 'BALANCE'.
6.
7.
If required, press correction switch @ 'LOUDNESS' at a low
volume setting.
Use
with
a recorder
Playback
Playback from a recorder connected to the sockets@and@or
@and@occurs
in the same way asfrom anyother sound source,
as indicated under 4., 5 and 6. in the section 'Use with the sound
source
selector
switch'.
Now howeverpress selector switch@ 'TAPEMONITORI' or@
'TAPE MONITOR 2'. Indicator 'TAPE 1' or 'TAPE 2' now lights up
on function display@.
Recording
It is possible to make a recording in two ways:
• With the recorder output switch @ 'REC OUT' in the 'source'
position. The signal at the sockets@and@
is then the same as
that which
can be heard through
the loudspeakers
headphones.
socket.
At the same time set a recorder connected to sockets@and@
or @ and @ ready for recording.
• With the recorder output switch @ 'REC OUT' in the position
'CD',
'PHONO',
'TUNER',
'TV/AUX
1' or 'VIDEO/AUX2.
signal at the sockets@and Q) then corresponds to the selected
'REC OUT' position
(provided
this sound source
operation).
There is now the facility to make a recording from the selected
sound source with @ 'REC OUT', while you are listening to
another sound source selected with @'SELECTOR'. At the same
time set a recorder connected to sockets@and@or@and@
ready for recording.
Note:
Actuation
of tone,
volume
and
balance
mono/stereo
switch will not affect the recording.
It is not possible to make a recording if the 'CD DIRECT' switch
@ is pressed in.
be
and/or
The
is set for
control
and
5