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@ POWER switch
ON:
Press to turn the power on. During the
first 3 or 4 seconds
after the POWER
switch
is turned
on,
no
sound
will
be
heard until you hear the "click" of the
relay operation.
This
is not due to any
defect
in the unit.
The
built-in
power
protection
circuit
operates
to mute
the
switching noise for speaker protection.
STAND
BY:
When
the power cord is plugged into an
AC outlet, the STAND
BY indicator (5)
lights to show that the memory circuit is
operating.
As
long
as
this
indicator
remains
lit, the preset stations
are not
subject to cancellation or alteration. The
preset
data are maintained
even
in the
case of a power failure or when the power
cord is disconnected, if the period of non-
applied power
does not exceed a couple
of days.
@@® TUNING buttons
Auto tuning
Up-scanning
button: When
this button is pressed, the
tuned-in frequency changes in the direction of increas-
ing frequencies.
Use this button
to search the upper
frequency
broadcast.
Scanning
(Auto Tuning)
stops
automatically
when
the next
FM
(or AM)
station is
pulled in. This tuned-in frequency is displayed digitally
by the frequency indicator.
Even
if you
continue
to press this button, scanning
stops at some stations that can be tuned-in, but if it is
not your
desired station, press the Up button
again.
Press the Up-scanning button and then press the Down-
scanning button to select stations by down-scanning.
Down-scanning
button:
Press to tune in the direction
of decreasing frequencies. Use this button to search the
lower frequency station. Functions
are identical with
those of the up-scanning button.
Note: Scanning
begins
by pressing
the
Up or Down
button, re-depressing it stops scanning.
=
2.
Names
and Their Functions
2-(1)
Front Panel
Fig. 1
Manual tuning
Manual tuning is possible by pressing the Auto-Manual
scanning switch (10). Pressing the Up-Down-scanning
buttons,
the tuned-in
frequency
changes in 200 kHz
steps for FM reception (50 kHz steps for Europe and
Australia)
or 10 kHz
steps for AM
(9 kHz steps for
Europe and Australia). Tapping this button changes the
tuner
step by step, continuous
pressing
(more
than
0.5
sec.)
changes
tuning
in a high
speed
scanning
sequence which stop when released.
@) Left and right channel power indicator
These LED's indicate the output power in watts. The
values
in watts are
indicated
per channel
when one
pair
of
speakers
having
an
impedance
of
exactly
8 ohms is being driven.
® STAND BY indicator
Lights when
the POWER
switch
(1) is set to OFF
(STAND
BY).
© Frequency indicator
The
tuned-in
frequency
is displayed
digitally.
Four
digits (kHz) are displayed for AM
reception and five
digits (MHz)
(for continental
Europe)
or four digits
(MHz)
(for U.S.A.,
Canada
and
other countries)
are
displayed for FM reception.
@ MEMORY indicator
When the MEMROY
button is pressed, this MEMORY
indicator
lights to
show
that
the
unit
is ready to
register the preset station to memory.
MEMORY switch
Press this switch and the memory indicator will light to
show
that this unit
is ready
to receive a memory
setting. (This switch
is a non-lock type.) Pressing the
station select button while the MEMORY
indicator is
lit (for about 5 sec.) makes it possible to memorize the
station being received. When the MEMORY
indicator
is not lit, the memory function does not operate.
@) Scanning indicator
This green
indicator lights when
you
make
auto or
manual tuning with the Up or Down buttons (2), (3).
R-S77
No.2520
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