MONO
The MONO pushbutton switches the audio output of
the receiver from stereo mode to MONO. When the IN-
PUT SELECTOR is in the FM position and tuned to a stereo
broadcast the FM MPX light will remain on regardless of
the position of the MONO pushbutton. The program, with
the MONO pushbutton in, will be heard as mono. The
TAPE
OUT
jacks
are not
affected
by the
MONO
or
MUTE
pushbuttons.
With the MUTE pushbutton in, and when using the
manual tuning knob, between station noise and weak
noisy stations are suppressed. FM muting automatically
eliminates between station noise when using the preset sta-
tion selector feathertouch-buttons or when SCAN tuning.
SPEAKERS 1, 2, and 3
When each of these pushbuttons are pressed IN, the
output of the receiver is fed to the pair of loudspeakers
connected
to the
corresponding
rear
panel
SPEAKER
push
connectors. SPEAKERS 1, 2, and 3 may be selected singly,
in any combination or all at once.
POWER ON
The red pushbutton turns the AC power on or off.
When the power is on, the display area panel
Illuminates. The turntable can also be used as a power
switch. (See "HOW TO CONNECT" "AUTOMATIC SYSTEM
TURN ON/OFF".)
BALANCE AND LOUDness:
The BALANCE and LOUDNESS controls are concentric.
Adjusting the BALANCE control (large outer knob) adjusts
the volume of the channels relative to each other and
does not change the overall volume of sound in your
listening room.
LOUDness:
After setting the VOLUME control for the desired listen-
ing level, adjust the LOUDness control for the preferred
compensation. Adjusting the LOUDness control will not
affect the overall volume of sound in your listening room.
The LOUDness control (small center knob) contours the
frequency response to compensate for the hearing
characteristic of the human ear at lower listening levels.
The contour is accurately modeled after the family of
"equal loudness" curves identified by Fletcher and Mun-
son. At the fully counterclockwise detented position, the
LOUDness compensation is out of the circuit, so the
FRONT PANEL CONTROLS 11
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