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MODE SWITCH
This switch allows you to
select
the proper mode of operation for the
various sources available.
MONO
In this position, all program sources will be reproduced
in
the monophonic
mode.
If an external monophonic source (one channel) is used it
may-
be con-
nected to the appropriate LEFT or RIGHT FRONT input receptacles to reproduce
sound in all speakers.
The
O
mode indicator light will be illuminated indicating a monophonic
mode of operation.
STEREO
In this position, all stereophonic program sources
will
be reproduced in
the STEREO mode.
All pairs of speakers (one LEFT and one RIGHT) connected to the FRONT
terminals will reproduce stereo program material. With the STEREO/4-CH REAR
PANEL SWITCH in 4-CH position, speakers connected to the BACK terminals
will also reproduce stereo in each pair.
In the STEREO position, the
f;I
mode indicator light
will
be illuminated
indicating a stereophonic mode of operation.
SQ MATRIX 1/2
These positions may be used to reproduce all SQ program material.
In the SQ MATRIX 1 and SQ MATRIX 2 positions the
!) fg !)
mode
indicator lights will be illuminated.
These lights denote the channels used from the source
material/
to recording/
to reproduction.
The SQ MATRIX 2 position performs the same function as the SQ
MATRIX I position except that it changes the relationship of separation between
the LEFT and RIGHT and FRONT and BACK
speakers.
When in this position the separation between LEFT and RIGHT will be
partially reduced from that obtained in the normal SQ MATRIX position and
the separation between FRONT and BACK will be increased.
When reproducing full orchestral material, the mode selector
should
be
in the SQ MATRIX 1 position. When reproducing individual instruments or
soloists
the mode selector switch should be in the SQ MATRIX 2 position.
11
ENHANCED STEREO
INTl!:OIIATID
AIIPUFll!!!IIS
SPIAKIER$
L F ~
L O ~
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This position should be used to enhance (convert) any stereo source into
spatially expanded sound. When playing any stereo source, if your 900
+
has
been installed utiHzing four or eight speakers, the sound will emerge from
each
speaker
filling the room with sound that is almost as exciting as authentic
4-channel.
It
may also be used to spatially enhance a monophonic source.
In this position the
lf9
IJ
mode indicator lights will be illuminated, denot-
ing stereo to 4-channel operation.
TWO
CHANNEL
RECORDING
CD-4/DISCRETE
GJ
RECOVERY
CIRCUITS
FOR"BACK"
SOUNDS
INTEGRATED
AMPLIFIERS
SPEAKERS
This position should be used to play your CD-4 records, or for a discrete
4-channel source (tape) connected to the
system.
In this position the
!)
D
mode indicator lights
will
be illuminated, denot-
ing discrete 4-channel operation.
LEFT FRONT
LEFT BACK
RIGHT BACK·
RIGHT FRONT·
FOUR
CHANNEL
RECORDING
c:::::::::J
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