a small woofer beyond its
safe excursion limits,
causing its
voice-coil
to clatter against the magnet
backplate. As long
as
the
speaker sounds
good
it
probably
is
OK; but
distorted
or unmusical sounds, such
as clattering noises,
are a sign
ol
distress in a woofer.
Be alert, also, for
signs ol acoustic feedback
(in
which
the
low-frequency vibrations
from
the speakers
are
picked
up by the record-playing
stylus and are re-amplified).
lf
you
encounter a sustained
low-frequency
roar,
or frequent
groove-jumping,
immediately
turn
down the Volume
and
switch off the BASS EQ
until a more nearly vibration-free
mounting
for the turntable is found.
9.
TAPE MONITOR.
When
this button is
pressed
it
overrides the other lnput
Selector buttons
and
lets
you
hear
the
playback
signal
from
your
tape recorder
(or
any other
device connected to the PLAY
input
jacks
on the rear
panel
of the
7120).
ll
you
have
a signal-processing
accessory
(such
as a
graphic
equalizer or dynamic
expander)
con-
nected to the TAPE RECORD/PLAY
jacks,
pressing
TAPE
allows
you
to
hear
the
processed
signal.
CAUTION:
lf
you
have nothing
connected to
the
RE-
CORD/PLAYjacks, or have a tape
deck connected
but
not
running,
then
when
you press
TAPE
you
will hear nothing
but silence-regardless
of
what
other selector buttons
you
may
press!
To
disengage
the
Tape
Monitor
circuit and
restore
the
normal
signal
path,
press
the TAPE
button again
and
release it.
The standard
purpose
ol the TAPE MONITOR
is to
allow
you
to listen to recorded
tapes,
and also to
check on
tape
recordings
as they
are being made. lf
you
have
a
three-head tape
deck that allows off-the-tape
monitoring
during
recording,
engaging the TAPE MONITOR
switches
on
both lhe 7120
and
the
tape deck will let
you
hear
the
playback
signal
from
the tape immediately
after it is re-
corded, so that
you
can check on its
quality.
To make tape recordings
on a recorder
attached to the
7120's RECORD/PLAY
jacks,
simply use the INPUT
SELEC-
TOR
buttons
to
select the
program
source that
you
want to
record lrom
(PHONO,
FM,
etc.).
The recording
will not
be
affected
by
any of
the
controls
located
to the
left
of the
INPUT
SELECTOR;
thus
you
may
vary the volume,
balance,
tone controls,
tape monitor
switch, etc., without
altering the
recording that
is
being made.
COpflNG
TAPES: lf
you
want to
copy a
recording
from one tape deck to another,
connect the
playback
cable
from
the
"source"
deck
(the
machine
containing the tape
to
be copied)
to the 7120's AUXiliary
inputs,
and connect the
"copying"
or
"dubbing"
recorder
to the
7120's
RECORD/
PLAY
jacks.
Press the AUX
button in the lnput
Selector
group
to hear the source tape
and
feed
its signal to the
copying
recorder. lf
you
then
press
the TAPE MONITOR,
you
will hear the chosen
signal after it has
passed
through
the
recorder's
electronics.
10. INPUT
SELECTOR
(AUX,
PHONO,
AM, FM).
These interlocked
switches select the input
signal
for
the
7120. This is the signal
that
you
will hear,
assuming that the
TAPE MONITOR is
disengaged. The
selected input signal
will also
be
fed
out
through
the RECORD
jacks
for
tape
recording or signal
processing,
regardless
of the
setting of
the TAPE MONITOR
switch.
11.
TUNING PRE-SETS. You
can store the frequencies
of ten
favorite stations
(5
FM
and 5
AM) in
these
pre-sets
and
then tune them
instantly
just
by
pressing
the
appro-
priate
button.
The
pre-sets preserve
their frequency
assignments
when
the receiver is switched
off or unplugged
from
the AC
wall
socket,
for a
period
of up to two weeks. Thus
you
can
re-arrange
your
stereo system, or move the receiver from
roorn to room, without losing the
pre-set
frequencies.
But if
you
leave the
receiver
switched oft for a month
or
more,
you
may have to re-program the
tuning
pre-sets.
12.
UP/DOWN
TUNING. The
tuning control is a
"rocker"
switch that allows
you
to tune up and
down the
AM
or
FM radio
spectrum.
Depress
the right-hand section of
the switch
in
order
to tune to higher
frequencies,
and
the
left-hand
section
to tune to
lower Irequencies.
When the TUNING button
is
pressed
momentarily, the
tuned frequency
is
shilted
up or down by one step.
(ln
North
America the size of this tuning step
is 10 kHz
on
the AM
band.
ln Europe
and
elsewhere the tuning step is
9
kHz
on
AM.) Each time the TUNING button
is tapped, the
tuned
frequency will
shift up or down
by
this increment,
as shown
on the digital
frequency
display.
lf the TUNING button
is held
down
with
continuous
pressure
rather than
just
tapped, the tuning
pauses
briefly
and then scans
rapidly up or down
in frequency.
Thus, to manually tune a station, the
procedure
is
to
press
continuously on either
side of the TUNING
button until
the receiver's frequency
is
close to the desired broadcast
frequency, and then
fine-tune
by
tapping the TUNING
button
until the digital
frequency
display
exactly
matches
the sta-
tion's broadcast
frequency
as
listed in a local newspaper
or broadcasting
guide.
13.
MEMORY
ENTER. This
button
is
used to enter
the frequencies
of
your
favorite
stations
in
the receiver's ten
memory
pre-sets
(five
pre-sets
on the
FM
band and five
pre-sets
on
AM). The
procedure
is as follows.
(1)
Decide which station
you
want to assign to each
pre-set.
On each band
you
may
arrange
the
stations
in
any order
that
you
find
convenient
(or
easy to remember):
alphabetical
(1:WABC,
2:WCBS,
3:WNYC
. . .), numer-
ical
(1
:
BBC1, 2: BBC2, .
. .
),
or in order of increasing
frequency
(1
:89.2
2:90.9, 3:95.3,
etc).
ll
you
are
not
certain ol the exact frequencies ol the stations, check the
station/frequency
directory in a local newspaper
or broad-
casting
guide.
(2)
Select
the AM
or
FM
band, as appropriate. Using
the TUNING rocker, manually tune to the
first
station on
your
list. Press
ENTER, then
press
Pre-set
#1
to store the
lirst
station.
After
you press
ENTER
you
will have at least ten
seconds during
which
you
can store the
tuned
station
in
one of
the
pre-sets,
before
the ENTEH
mode
automatically
de-activates. Only one
pre-set
can be set at one time.
(3)
Manually tune to the second station on
your
list.
Press ENTER button and then
press
Pre-set
#2
to
store the
second station.
(4)
Manually tune
to
the
third
station on
your
list,
press
ENTER,
and
press
Pre-set
#3
to store the station. Continue
in this manner with any other stations that
you
want
to store
in
the
remaining
pre-sets.
Then
switch
to the
other
tuning
band
(FM
or AM) and repeat the
process
for
the second set
of
five
pre-sets.
lncidentally, if
you
make
a
mistake or change
your
mind, it is not
necessary to re-program all
five
pre-sets
in
sequence.
You can
re-program any
pre-set
at any
time:
simply tune
to the desired
frequency,
press
ENTER, and
press
the
pre-set
button
that
you
want to re-program.
AIter
you
finish
programming
the
pre-sets, you
may
wish
to
post your
list of stations and associated
pre-set
numbers near the
receiver for reference.
CAUTION:
When
using
the receiver,
be careful
not
to
press
the ENTER button by accident. Doing so will activate
the ENTER mode, and
if
you
then
press
any of
the
pre-set
buttons
you
will unintentionally re-program that
pre-set.
You
would then
have to manually re-tune to the station
you
wanted, and re-ENTER
it into the
pre-set.
lf
you
accidentally
press
ENTER,
you
can force the tuner to back
out of
the
ENTER mode by tapping the
manual TUNING rocker
or by
switching
tuning bands
(i.e.
from FM
to
AM
and back).
14. TUNING DISPLAY.
The
display shows
the broadcast
frequency
to
which the receiver is tuned.
(When
you
select
the AUX
or
PHONO input the display
is turned off.) On the
FM band the fifth digit
will
be
either 0 or 5 since
tuning
occurs
in increments of 0.'l
MHz.
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