I 122
tm)
OUTPUT
control
This knob
is
used
to
adjust the level
ofthe
signals
delivered
from
the
OUTPUT
jacks on the rear
panel.
Both
channels are adjusted together. The
readings
of
the
VU
meters
are
not
affected
by
this control.
4D
Function
switches
MONITOR
switch
This switch selects the signals fed
to
the head-
phones (PHONES) jack and the
OUTPUT
jacks,
and
is
indicated
by
the
VU
meters.
SOURCE: Selects the
input
connected
to
the
II
N E 1 (rear)
or
II
N E 2
(front)
jacks. The levels
displayed
by
the
VU
meters depend on the set-
ting
of
the
INPUT
controls.
TAPE:
Selects the signal
from
the tape. The
levels displayed
by
the
VU
meters are the levels
of
the signals recorded on the tape;
they
are
not
affected
by
the setting
of
the
OUTPUT
control.
Note:
For
tape playback the MON
ITO
R switch
must be in the
TAPE
position.
NR
SYSTEM switch
DOLBY
SYSTEM/NR:
Selects the
built-in
Dolby
Noise Reduction
circuit.
This position
is
used
to
make a Dolbyized recording
or
to
reproduce a
Dolby-encoded cassette.
DOLBY
SYSTEM/N
R +
HX:
Selects the
Dolby
Noise Reduction
circuit
and also the
Dolby
Headroom Extension
(HX)
circuit
which
gives
greater headroom in recording. Tapes recorded
with
the switch in this position
can
be
played
back
with
the switch in the
same
position
or
in
the DO
LBY
SYSTE
M/N
R position.
dbx
(EXT)/OUT:
Use
this position
to
record
or
reproduce
without
noise reduction
or
when
USING
THE
OPTIONAL
RX-8
DBX
NOISE
REDUCTION
UNIT.
INPUT switch
This switch selects the signals fed
to
the record-
ing
circuit
for
recording.
II
N E 1: Selects
the
signals applied
to
the rear
panel
LINE
IN j3cks.
LI
N E 2: Selects the signals applied
to
the
front
panel
LIN
E 2 jacks.
TEST:
Use
this position when setting the bias
and recording level calibration
controls
using a
separate signal generator.
SPEED switch
HIGH:
Selects a tape speed
of
3-3/4 ips.
STANDARD:
This selects the normal cassette
tape
speed
of
1-7/8 ips.
EQ switch
Selec;:ts
the equalization characteristics
of
the
122
to
match the
type
of
tape being
used.
NORMAL:
The equalization
is
120
/J.s.
Co
(Cr02):
The equalization
will
match cobalt
or
chromium
dioxide
tape.
M
ETA
L: The equalization
will
match metal tape.
Note:
The EQ switch should
be
set
to
match the
tape
for
both
recording and playback.
BIAS
switch
Selects the factory-preset bias levels
to
match
the
type
of
tape being
used
for
recording
(with
the
BIAS/REC
CALIBRATION
button
in the
PRE
-S
ET
position).
NO
RMAL:
The bias
will
match normal low-bias
tape.
Co (Cr02 ): The bias
will
match cobalt
or
chrome-
equivalent tape.
METAL:
The bias
will
match metal tape.
Note:
The bias
has
no
effect
during playback,
by
it
must
be
set
correctly
when recording
to
get
optimum
performance
from
the tape being used.
4B
VU
meters
A
PEAK
LED
is
provided
in
each
meter; this
lights
to
warn
of
overload
at
+8 dB
input
level
which
could
result
in
distorted recording.
•
TAPE
COUNTER
2-2.
REAR
PANEL
CONNECTIONS
OUTPUT
(R,
L) jacks
LINE
1 (R, L) jacks
DBX
UNIT
terminals
These eight
RCA
pin-terminals
are
used
for
the
connection
of
the
optional
RX-8
dbx
noise
re-
duction
unit.
If
the RX-8
is
not
used, the U-link
plugs provided
must
be
left
in place.
DBX
UNIT
CONTROL
SIGNAL
socket
This
is·
a special socket
which
feeds the
control
signal
to
the
optional
RX-8
dbx
noise reduction
unit.
REMOTE
CONTROL
Socket .
Allows
connection
of
the
optional
TEAC
RC-
90
Remote
Control
unit.
5
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