Dual C 822 Mode D'emploi page 13

Connection
to
an
AC Power Line
The
equipment
is
set.for either 230
V/50
and
60 Hz
or
115V
I
50 and 60
Hz supplies.
Changes
for other
voltages or frequencies
should
only
be
made
by qualified
dealers
or
Dual service per-
sonnel to ensure
that the
necessary
safety precautions
are
main-
ta ined
.
Plece
check
that the power
requirements
as
specified on the
equiprnent's name
plate
agree
with the local
mains
supply.
Connection
to
a
HiFi System
or Amplifier
The
following
jacks are provided
at
the
rear
of your
HiFi
ste-
reo cassette
deck (Fig.
1 ).
REC/PB DIN:
S-pole
D
lN standard
jack
for recording and playback
for
con-
nection
to
amplifiers and
receivers
with the
audio cable
Part
No
226 816.
lt
isalso possible
to
use
this audio cable
to
record
directly
from anothertape
deck
or
cassette
deck to
your
cassette
deck. This
is
a
priority
input which automatically
deactivates
thE
LINE.INPUT
L/R.
LINE OUTPUT L/R:
Output
jacks for
connection
to
an amplifier
or
receiver
with
RCA (cinch)
connections. The correct audio cable
for the con'
nections is
Part No. 226
811
LINE INPUT L/R:
lnput
jacks
for
connection to
an
amplifier or receiver
with
RCA
(cinch)
connectors.
The
correct cable
for the connection
is
Part No. 226
817
.
With
these
accessories
your
equipment can
be
driven from
all
sources
which
can
be
connected
to your HiFi
amplifier
(turn-
table, tuner etc.).
The
special
audio cable
with
RCA
(cinch)
pl ugs
is
available
from qualif ied
dealers.
Playback
of recorded cassettes
Switching power on and
off
The
unit
is switched
on by
pressing
the
POWER
button (11;
the
cassette
holder
illumination
(6)
indicates
that the
unit
ls
ready
for
operation. Simultaneously, the
protective cover
for
the
heads is
retracted.
Tape
type selection
Your
Hi-Fi
cassette
deck is
equipped
with
4
tape
selector
switches
(10), (12),
(14)
,
and (16) which facilitate
use
of
types
of
tape available
today.
Consult the table
(last
page)
for
the
tape
type
to
be used
and,
by pressing the appropriate
button,
select
the optimu
m
operatin
g
position for this
tape.
The
meters (24l.
are provided with two
scales.
The upper
scale
must be used
for
FeCr
and metal
tapes and
the
lower
scale
must
be used
for
Fe
and Cr
tapes. The
setting is indicated
by
the appropriate
LED ({28}
for
Fe
and
Cr, (26)
for
FeCr and
metal).
For tape types
which you
cannot
find
on the table
contained
in the
annex,
the following list of
tape
data
will
help
you to
f
ind
the correct
switch position.
Switch
Tape
position
category
cordings
which you
have made
yourseltas
described on page 13,
press
the
button
marked DOLBY NR
(231.
This
will
be indica-
ted by the
LED
(18).
The
built-in
Dolby
system
then
works
automatically and
needs
no
special adjustment when
used in
conjunction
with
tapes listed on
the
last page
or
their equivalents.
The
level
of
the 400 Hz Dolby
test cassette results
in
a
level
of approx.
+3
dB.
lndex Counter
The
index counter
(8)
is
a
convenient
means
of
noting
and
quickly
locating
specif
ic spots on
a recorded
tape.
lt
functions
during recording, playback and fast winding in any direction.
It
is
good practice to
set
the index counter reset knob RESET
(17) to '000"
at the
beginning
of
each
tape.
lf
you
note the
number
on the index counter at the
beginning
of a particular
section
you
can later
quickly findallthesectionsona particular
cassette.
lnserting and removing
cassettes
The unique
cassette
holder
(DLL)
permits the
cassette
to
be
inserted
directly.
Hold the
cassette so
that
the
tape
faces
down-
wards, insert the
cassette
top-edge first
and
pivot
it
downwards
until
vertical when
it will
click
into
place
(Fig.2).
Cassette removal is
just
as
si
mple and the
cassette
may
be re-
moved
in
any operational
mode
without
having
to
previously
press
the
STOP
button
(91.
lnfrared light
barriers
(31
and
(7)
ensure
that
the tape transport
is
automatically interrupted
and
that the
heads are
retracted when the
cassette
is removed.
The rapid
rewind
<< (11),
rapid
wind
>>
(151
and
start
> (13)
logic
circuit
ensures
that
the previously
selected
function
remains
stored even
after a
cassette
has
been rernoved. This
function
will
be
resumed
after
inserting
a
new
cassette.
Fast
forward
and reverse
D
(15)
fast
wind from left
to
right
<<
(11)
fast
wind from right
to
left
The
functions "fast forward"
>> and
'Tast
reverse"
<<
are used
to
f
ind particular points
on
the tape.
The device switches
off
automatically at tape
end.
Pressing the
keys 'Tast forward"
(151 or 'Tast
reverse"
(11)
cancels the
functions START >
(13),
RECORD
(20) and PAUSE (22).
Start
Recording and replay are
initiated by
means
of the
>
(13) but-
ton.
The start key can be pressed before
inserting
the
cassette,
a
feeler
will
register the inserted
cassette
and start the drive.
PAUSE
The PAUSE
button
(22l-
is
used
for
preparing
to
record
and
stop for brief interruptions in recording playback.
The function
you
have selected is maintained when
the
pause button is
de-
pressed.
Pressing
the >
button
(13)
once
more
returns
the equipment to
the preceding mode of
operation.
Auto Stop
The
equipment
contains an electrical tape monitoring
device
which initiates the auto stop. This
unit
functions independently
of
tape
foil
and cassette.
lf
operational defects such
as
jammed
cassettes occur,
the unit automatically
switches
off
the
drive.
Monitoring with
Headphones
The
"PHONES"
jack (2)
may be
used
for stereo
headphones
with
an impedance oI 4 -
2OO0
Ohms,
for
monitoring on both
record
and
playback.
Making your own cassette recordings
ln
addition
to
the
notes
previously
given for playback, the fol-
lowing points should
be observed
when recording:
"
Press
the
tape selector
button
appropriate
to
the
type of
tape
used
(10),
(121,
(14) and
(16).
Equali-
zation
Typical
tapes
Fe
Cr
FeCr
Met
Fe
CrO2
31
80/1
20ps
BASF Super
LH
3180/ 70ps
BAS
F
Chrom-Super
FeCr
(2'component)
3180i
70pts Ferrochrom
metal tapes
3180/
70
ps
3
M Scotch metaf ine
Musicasettes
should be played
in switch position
Fe
or
Cr ac'
cording
to
the data on
the
cassette.
lf
designation
or other
in-
formation on the
tape
type is missing, select
switch position
Fe.
DOLBY
NR
The Dolby
noise reduction system gives
a
lasting reduction
of
inherent
tape noise and thereby
increases
the dynamic
range
of
the recording.
ln
order
to play
back cassettes
that
have
been recorded
with
the
Dolby system, having the Dolby trademark
DO,
of dolbyized
re-
13