
FRONT
PANEL
FEATURES'
POWER INDICATOR
The
POWER INDICATOR illuminates
to
signify
that
the
Model CD-400B
is
on
when
the
POWER
pushswitch is depressed.
POWER SWITCH
The
POWER pushswitch activates
the
Model
CO·400B's power
when
depressed. When
the
push-
switch
is
released,
the
AC
power
is
off.
SELECTOR SWITCH
When
this
switch is
set
to
the
PHONO
position,
the
Model CO-400B
is
set
for listening
to
CO-4,
2-channel,
or
4,channel
matrix
records.
When
set
to
the
AUX position,
any
input
that
has been
connected
to
the
rear
panel
AUX
input
jacks will
be
fed
directly
through
the
CO-400B's
4 CH
OUT
jacks. This permits listening
to
dis-
Figure
2.
Front
Panel
Switches
crete
4-channel
sources
such as an
8-track
tape
deck,
4-channel reel-to-reel
deck,
etc.
MODE SWITCH
4 CH AUTO: When in
the
4
CHAUTO
position,
CO-4
records
will
automatically
be
reproduced
with
four
discrete
channels.
2-channel
records
and
4-channel
matrix
records will
be
reproduced
with
the
left
channel
of
the
record fed
to
the
left
front
and
left rear amps, while
the
right
channel
is
fed
to
the
right
front
and
right rear
amps
..
.
2CH:
When in
the
2 CH POSItIon all records,
including CO-4 records,
will be
reproduced
in
the
2-chimnel mode.
Some
2-channet records
may
contain
enough
high
frequency
signals
to
.
render
them
unplayable
in
the
4 CH
AUTO
posi-
tion.lf
this
occurs,
set
the
MODE
switch
to
the
2 CH position.
RADAR: When
the
MODE pushswitch
is
set
to
the
4 CH
AUTO
position,
the
RADAR
indicator
will illuminate
when
a
COA
record
is
being played.
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