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Page 53
OPERATION
Refer to Figure 10 for the location of the front
panel controls.
SOURCE SWITCH
NOTE: This is a three wafer switch; it allows
the inputs of both channels to be selected si-
multaneously. It also turns the 38 kc oscillator
off when inputs other than stereo FM are used.
When the SOURCE switch is in one of the mono-
phonic
@
positions, the input signals from
both the
left
and right channels will be com-
bined and heard in both the left and right speak-
ers. In the stereo
@
positions, all signals from
the left Channel Inputs will be heard only in the
left speaker, and all Right Channel signals will
be heard only in the right speaker.
In the monophonic
@
FM position, the same
signal is present at the Left and Right output
sockets. In the stereo
@
FM position (when
tuned to a station that is broadcasting stereo),
one channel signal is
heard
in the left speaker
and the other channel signal is heard in the right
speaker.
NOTE: The
@
FM position should only be used
when a station is broadcasting stereo; other-
wise, subchannel noise may be heard on regular
FM programs. Also, noise may be heard from
stations that broadcast a Subsidiary Communi-
cations Authorization (SCA) signal.
TREBLE
BASS
0
VOLUME
The dual-concentric clutched VOLUME control
allows the listening level of each channel to be
adjusted simultaneously or individually. Max-
imum volume is obtained when the knobs are
rotated fully clockwise.
BASS CONTROL AND SPEAKER
ON-OFF
SWITCH
The BASS control is of dual-tandem construction.
The low frequency response is simultaneously
varied by the same amount in both channels. Flat
response is obtained when the knob is at approxi-
mately 12 o'clock. Clockwise rotation produces
boost, and counterclockwise rotation produces
cut of the low frequencies. Pulling the control
knob out, disconnects the speakers and allows
private listening with headphones.
TREBLE CONTROL AND POWER ON-OFF
SWITCH
The TREBLE control is of dual-tandem con-
struction. The total response is simultaneously
varied by the same amount in both channels.
Flat response is obtained when the knob is at
approximately 12 o'clock. Clockwise rotation
produces boost, and counterclockwise rotation
produces cut of the high frequencies.
The On-Off switch is located on the TREBLE
control. Pull the TREBLE control knob out to
turn the Receiver ON, and push the knob in to
turn it OFF.
VOLUME
PHASE
TUNING
Figure 10
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