Mode/Scan Switch; Tuning Buttons; Memory Indicator; Station Select Button - JVC R-X40 Service Manual

(D
MODE/SCAN switch
This switch is
used
to
select
both FM
STEREO/MONO
mode and
AUTO/MANUAL
scanning
mode.
These
func-
tions are related
to
each
other. When stereo reception
is
possible,
set this switch to
AUTo/sTEREo
(r)
for
auto
tuning. When
signals are
too
weak
to
be received, set
to
MANU/MONO
(^)
for
manual tuning;
in this
mode the
left
and
right
channel
FM
signals are
mixed and
heard
from
both
speakers.
(E
rurutruc
buttohs
Auto
tuning
Up-scanning
button
( >
): When
this button is
pressed,
beeps
will
be heard and
the tuned-in frequency
changes in
the direction
of
increasing 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
f
requency indicator.
When
you
continue
to
press this button,
scanning does
not
stop even
if
broadcasts
which could
be
tuned in
are
detected.
Press
the
Up-scanning
button
and
then press the
Down-scanning
button
to
select stations
by
down-scan-
ning.
Down-scanning button
(
1
):
Press
to
tune in
the direc-
tion of
decreasing
frequencies.
Use
this
button to
search
the
lower
f
requency
station. Functions are identical with
those
of
the
Up-scanning
button.
Note:
Scanning starts
when
the
<
or
>
button
is press-
ed and
is
stopped
by
pressing
th'e MODE/SCAN
switch.
Manual tuning
Manual tuning is possible by pressing
the
MODE/SCAN
switch
@
.
Pressing
the
Up-Down-scanning
buttons,
thti
tuned-in frequency
changes
in
100kHz
steps
for
FM
reception
(50 kHz
steps
for
Europe, U.K., and Australia)
or
10
kHz
steps
for AM
(MW) (9
kHz
steps
for
Europe,
U.K. and Australia),
or
1
kHz
steps
for
LW.
Tapping this
button
changes
the tuner
step
by step, continuous press-
ing
(more
than
0.5 sec.)
changes
tuning in a high
speed
scanning sequence
which
stop
when
released.
lf
one
of
these
buttons is pressed immediately after
the
AM or
FM
source select
button, the tone
of
the
beep
will
be
different.
(D
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
10
sec.) makes
it
possible
to
memorize
the station
being
received.
When the MEMORY indicator
is not
lit,
the
memory
function
does
not
operate.
(D
MEMORY indicator
When the MEMORY
switch is
pressed,
this
MEMORY
indicator lights to
show
that the unit is ready
to
register
the preset station
to
memory.
This indicator
will
go out
automatically
in
about 10
sec.
or by
pressing the
station
select button.
@
Station
select
buttons/Station indicators
These buttons are
used
to select one
of
the
preset stations
or to
memorize
the
station
for
an
individual
channel.
When one
of
these
buttons is pressed, beeps
will
be heard
and
the LED
indicator on the
corresponding
button
lights
to
indicate which
channel
is
in operation.
lf
one
of
these buttons
is pressed when
the
MEMORY
switch (D is
pressed
in, the station which is
being
received
will
be "Memorized". One
of
the station
select
buttons can be
used
in
common
for one
FM station
and
one
AM station (one MW or
LW station
for
R-X40L).
lf you
change
the mode
from radio
reception
to
any
other mode including
power-off
and back
to
radio
recep-
tion, the
station previously
selected
with the
station
select
buttons
remains
tuned
in.
lf
one
of
these
buttons is pressed
immediately
after
the
AM
or
FM
source select
button,
the tone
of
the
beepwill
be
different.
O
FM STEREo indicator
This indicator
lights when
an FM stereo broadcast
is
tuned
in.
@
Frequency indicator
The
tuned-in frequency
is
displayed
digitally. Four digits
(kHz) are
displayed
for AM
reception
and five
digits
(MHz)
(for
Europe,
U.K.,
Australia and other countries)
or four digits (MHz) (for
U.S.A., and Canada)
are
display-
ed
for
FM
reception.
@ stcrual
STRENGTH indicator
This is used
in
tuning
to
both FM
and
AM
(MW/LW)
broadcasts. The
greater
the
number
of
LEDs
that
light,
the stronger the
signal being received.
@
ourpur
LEVEL
indicator
These LEDs indicate the output
level.
(D
TAPE
MONITOR indicator
This indicator
lights when the TAPE MONITOR switch
is
pressed
for
monitoring
or
listening
to
the
tape recordings.
\z
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R-X4O
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R-X4OL
No.2603
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