Fisher Ambassador IV, A-60 Operating Instructions Manual

OPERATING INSTRUCTIONS
AN
D
WAR RANTY
THE
FISHER
Ambqssqdor
lV
A.60
Stereophonic
Rqd io-Phonog rd
ph
PRICE
9r.00
WORLD
LEADER
IN HIGH
FIDELITY
\tr/rtH
your purchase
of a FISHER
instrument
you
have
com-
V V
pleted
a chain of events that
began many
months ago,
in our
research
laboratories. For
it is there
that the basic
concept
of
the
equipment
you
have
just
acquired
came into
being-its appearance,
its functions,
its
quality
of
performance,
its
convenience
of use.
But the
end step-your
purchase-is
merely
a beginning. A
door
has now
opened, for
you
and
your
family,
on virtually unlimited
years
of
musical
enjoyment. Recognizing
that one
of
the keys
to
pleasurable
ownership
is reliability, we
have
designed this instru-
ment to
give
long and trouble-free
service,
In
fact, instruments we
made
over twenty-five
years
ago
are
still in use
today.
Remember
always that we
want
this
equipment
to
give you
the
best
performance
of which
it is
capable.
Should
you
at
any time
need
our assistance
toward that
objective,
please
write
me
personally.
AN IMPORTANT
SUGGESTION
Many hours have
been
spent by
our engineers
and technical
writers
to
create this instruction
book for
your guidance
and
enjoyment.
If
you
want
the most
out of
your
FISHER,
there
is only
one way
to
obtain it.
With the equipment
before
you, please
read this
book-
let
carefully. It
will be time well
speot!
1937
I
937 1937 1938
1938 1939
1939 1945
1948 1949 1952 1952 1953
1953 First
Universal
Horn-Type
Speaker Enclosure
for
any room location
and any speaker.
1953
First FM-AM
Receiver with
a Cascode
Front End.
1954
First low-cost
electronic
Mixer-Fader.
Aa*y
F*at
r-
Founder and
presidenl
1960
First to uSe MicroRay
for FM
tuning and as a
Recording
Audio Level
Indicator.
1960 First
complete stereo FM-AM
receiver with
60-
watt
power
amplifier and new
7591 output tubes.
1960
Smithsonian Institution,Washington,
D.C.,accepts
for its
collection Amdrica's
first
comfierciallv
manufactured
high fidelity
radio-phonograph',
made
by Avery Fisher
in 1937.
1960 First reverberation
device, for
use
in
hish
fidelitv
equipment
-
The Fisher Dynamic
Spac-expander-.
1960
First stereo
tuner with MicroTune.
1960
First FM tuner
with six lF stages.
1960 First
FM tuner with
five limiters.
1960
First
front
panel
antenna selector
switch,
72-300
ohm, Local-Distant
positions.
1961 First Multiplex units with Stereo
Beacon
and
automatic
switching,
mono to
stereo.
1961 First
complete receivers with Multiplex.
1961 First FM-Stereo-Multiplex tuners
with Stereo
Beam.
1961 First loudspeaker
system with
frameless woofer
cone, eliminating
all
parasitic
resonance.
1961 First internal
switching system to
permit
imme-
diate tape
playback
with
use of all
controls and
switches.
O1962
FrsHeR
RADto coRpoRAttoN
TiAlt
trhfu,
- Milestones
ln
the History
of Hish
Fidetity
Reproduction
First
high-fidelity
sound systems featuring
a
beam-power
amplifier, inverse
feedback,
acous-
tic speaker
compartments
(infinite
baffle and
bass
reflex)
and
magnetic
cartridges.
First
exclusively high fidelity
TRF tuner, featur-
ing broad-tuning
20,000
cycle fidelity.
First two-unit
high fidelity
system with
separate
sDeaker
enclosure.
First
coaxial speaker system.
First
high
fidelity
tuner with amptified
AVC.
First
3-Way Speaker
in
a high
fldelity system.
First
Center-of-Channel
Tuning indicator.
First
Preamplifier.Equalizer with
selective
pho-
nograph equalization. First Dynamic
Range Expander
with feedback.
First FM-AM
Tuner with variable
AFC.
First
so-Watt, all-triode
amplifier.
First self-powered
Master
Audio Control.
First self-powered,
electronic
sharp-cut-off
f ilter
system
for
high
fidelity
use.
1954
First moderately.priced,
professional
FM Tuner
with TWo meters.
1955 First Peak Power
Indicator
in high fidelity.
1955 First
Master Audio
Control Chassis with
five.
position
mixing facilities
1955
First correctly
equalized,
direct tape-head mas.
ter
audio
controls
and
self-powered
preamplifier.
1956 First
to use Power Monitor
in a home
amplifier.
1956 First
All-Transistorized
Preamplifier-Equalizer.
1956 First
dual
dynamic
limiters
in
an
FM tuner for
home
use,
1956 First Performance
Monitor in a high
quality
amDlifier
for home use.
1956
First FM-AM
tuner with TWo
meters.
1956 First complete
graphic
response
curve indicator
for
bass and treble.
1957
First
colden Cascode FM Tuner.
1957
First MicroRay
Tuning
lndicator,
1958
First
Stereophonic Radio-Phonograph
with Mag-
netic Stereo Cartridge.
1959
First high.quality
Stereo Remote Control
System.
1959
First complete
Stereophonic FM-AM Receiver
(FM-
AM
tuner, audio control,
4o.watt amplifier).
1959
First high.compliance
plus
high-efficiency
free.
piston
speaker
system.
f,
oveNcen
ELECTRoNTc
ENGTNEERTNG has been
combined with old.
f!
world
cabinet craftsmanship
to create
the
new FISHER Ambassa-
dor -
a
musical instrument
that meets
the
most
exacting criteria, Each
unit in
the
Ambassad,or
has been
designed to meet the laboratory
stand-
ards
that distinguish all FISHER
components. The
unusually sensitive
tuning
seclions can
be used separately for
the
reception
o{
monophonic
FM
or AM broadcasts,
or simultaneously
to
receive FM-AM
stereo-
phonic
broadcasts.
The renowned
Garrard
Automatic
Turntable, con-
taining a
professional
magnetic cartridge
with a
diamond stylus,
will
faithfully
convey every musical nuance
of
your
most
treasured stereo-
phonic
or monophonic
record selections.
Located on the
operating
panel
of
Ihe
Ambassador
are eight controls which
will
enable
you
to select
any
program
source instantly,
and adjust
the volume and
tonal characteristics
of sound to
your
most critical
listening
tastes.
Special connections
are
provided
for
the
FISHER
Spacexpander
and
the MPX-70 multiplex
adaptor,
and a new Automatic
Shutoff
switch
has
been
included
which
will turn off
the
entire Ambassatl,or
a:uto-
matically,
after
the last record has
been
played.
Fifty watts
of music
power,
free
of all audible
distortion, is supplied
by a
dual-channel
Power Amplifier
which
can reproduce
the most complex
symphonic
passage
as easily
as the softest notes
of an
oboe. Lastly,
two acous-
tically-balanced
speaker enclosures,
each
containing
a three-way
speaker
system,
provide
the full
orchestral sweep
that only stereo-
phonic
sound makes
possible.
THE
FISHER
AMBASSADOR
IV
MODET
A-60
Stereophonic
Rqdio-Phonogroph
Flawless
circuitry, the
use
of
costly, durable materials,
and
un-
hurried
manufacture - essential ingredients
that are often lost
in
mass
production
*
all of these will contribute
to
years
of trouble-free
operation and
your greater
listening
pleasure.
These
are the
qualities
that have for
over two decades won for
the FISHER a r,yorid-wide
reputation.
A NOTE
ON STEREOPHONIC
SOUND
[l
ne
oevnornrnr
of stereophonic
sound has
brought us c]ose to
I
achievins
"Concert
Hall"
reaiism in
the home, This
dual-channel
system offers
a distinct advantage
over monophcnic
(single-channel)
systems
by virtue o{ two important
audio characteristics:
the dimen-
sions of
direction
and depth.
These live
sound
qualities
are for
the
most
part
missing in monophonic
systems because
recordings are made
and reproduced
over a single channel,
This
is somewhat analogous
to
listening
to music with
one ear.
Stereophonic recording
techniques,
however,
utilize two separate banks
of microphones
which
are
posi
tioned in
the left and right
sections of
the orchestra. In
this arrange-
ment,
the microphdnes receive
the musical
sounds in.much
the
same
manner
as the two ears
of a listener.
The
sound
picked
up by each
bank of microphones is
then fed
to independent
channels
and recorded
on disks or
tape, or transmitted
over
s€parate channels
of a stereo-
phonic
broadcast,
TABLE OF
CONTENTS
INSTATLING
THE AMBASSADOR
HOW
TO USE
IHE CONIROI.S
THE FM AND
AM ANTENNAS
SERVICE
NOTES
PAGE
6
7
To
reproduce a
stereophonic
recording
or broadcast
in the
home,
two
separate sound
channels
are
required.
The stereophonic
sound
out-
put
of a record
player,
tape
recorder
or tuner
is fed to
two separate
amplifier
channels,
which
in
turn
drive two
separate
speaker
systems.
Thus,
instruments
located on the
left and
right sides
of the
orchestra
are heard
predominantly
in the
left and
right speakers,
respectively;
while
instruments
located in the
center appear to
be
heard
mid-way
between the two
speaker
systems.
The result
is a startling
sense
of
presence
heretofore realized
only at a
live orchestral
performance.
INSTATLING
THE AMBASSADOR
[t
ur AuoassADoR
operates on
AC only. Connect
the
power cable
I
"rt"ndins
from the back
of the
cabinet to a
wall outlet
supplying
105 to 120 volts
AC, at 50 to
60 cycles.
Maximum
power
consumption
is 165 watts.
(Where
line voltage
is
too
high or too
low, a
step"down
or step-up
trans{ormer
wili
be
necessary,
For S0-cycle
current'
a special
adaptor
pulley
is required
for
the
Automatic
Turntable.
In
each case'
see
your
FISHER dealer.)
Note:
We suggest
you
read the
information
in this
booklet
care-
fully. Proper
installation together
with
a
good
knowledge
of the
con-
trols are essential
for
deriving
the
fullest enjoyment
{rom
your
FISHER.
The
Automqtic
Turntqble
During transit the
Automatic Turntable is
held in
place by a
large
wooden retaining
bracket.
This bracket and
its two
mounting
screws should
be removed
after the
Ambassador has
been
placed in
its final
location.
The
smali
wooden blocks under
the
metal
motor
board
can be
removed by
loosening the
screws
holding the
Automatic
Turntable to the
wooden shelf. When this
is done,
the
Automatic
Turntable will
ride freely on springs which act
as shock
absorbers.
Depress
each side o{ the
Turntable to determine
whether
it rides
freely
on
its spring
mounts, If
it
does
not move downward
and back
under
hand
pressure,
consult
your
FISHER dealer.
To remove
the
V-Guard,
simply
grasp
the
"V" of the stylus
assembly between the tips of the thumb and forefinger,
pull gently
to
remove
the stylus assembly. To replace the V-Guard,
grasp
the
"V"
of
the stylus
asserrrbly
with
the
stylus
point
down,
and slip
into
the
cavity
as far
as
it will
go.
The Anlennqs
The Anrbassador is
equipped
with
two antennls, one to receive FM
broadcasts
and one
for
AM lrroadcasts. These
should
provide good
recepticn
in all cases except extreme fringe
areas, or
where special
local conditions.result in high signal loss.
(Buildings
constructed
of
steel
girders,
for example,
('an
cause a loss
of signal strength.) If
reception is weak
or
poor,
see
the
instructions
on
page
6 to rectify the
condition.
HOW TO
USE
THE
CONTROLS
[t
ue orrnerroN oF
ALL col.-rRoI-s is
explained in this section. Refer-
I
ring
to
Figure I
while reading will be helpful. If
you
wish to
connect
additional components
to
the
sound system o{ the
Ambassador,
such as a Tape Recorder, for
example,
full information is
provided
on
page
5. Befort:
attempting
to operate the
Automatic
Turntable,
read
the instruction
booklet accompanying this unit.
AC ond
Volume
The
AC Switch,
which
supplies
power
to the
Ambassador,
is com-
bined with
the
Volume
Control.
Turning this
switch slightly clockwise
until it r:licks,
turns
on
the
power
and lights the
dial
scale. Note:
Make eertain
automatic shutoff switch is in
the off
position.
The Volume Control is used to adjust
the level of sound for both
channels.
Turning this control in a clockwise
direction will increase
the volume simultaneously at
both speaker systems.
Note: Although
only stereophonic
programs
require the use of
two
speaker systems to achieve the necessary
sound separation, the
two
speaker systems oI the
Ambassad.or
are in
operation for monophonic
piograms
as well, This
use
of
both systems
provides
a
superior mono-
phonic
effect.
Selector Switch
This
seven-position
switch selects the
program you
wish
to
hear,
whether
a radio
broadcast, a
record
selection, or some other
program
source
you
may have connected
to the sound system of the
Ambassador,
The
positions
have
the following functions:
PHONO
MONO:
Use this
position
to
play
regular LP or 45
RPM
records on the
Record Changer,
The
stereophonic cartridge
in
the
Tone Arm will
accommodate monophonic as well as stereophonic
records. In
addition, all
verticle
rumble
and
noise characteristics of LP
monophonic records
will be completely eliminated, resulting in su-
perior
monophonic
sound,
NOTE: To
play
78 RPM records, a special cartridgc is required. You
can
obtain one
from
your
FISHER dealer.
PHONO
STEREO: Play
all
stereophonic
records in this
position.
FM:
This
position
selects the
FM
tuner for reception of FM broadcasts.
AM: This
position
selects
the
AM Tuner for
reception
of AM broad-
casts. FM-AM:
In
this
position
both Tuners are selected for the reception of
a
stereophonic FM-AM broadcast. The FM
sound
will be heard on
the left speaker
system; the
AM
on the
right.
(Consult
your
news-
paper
for
the station to
which
each Tuner must be set.)
AUX
MONO:
Use this
position
to
select any
additional
monophonic
component
you
may have connected
to the
Ambassad,or
- a
mono-
phonic
tape recorder, record turntable, etc,
MPX STEREO: This
position
is
used
for
the
reception
of
FM multiplex
stereo
programs
rvith
the addition of the FISHER MPX-70 adaptor.
A
stereo tape recorder or other stereo sound
source may be
played
through
the
Ambassador
if multiplex reception
is not desired.
FM ond AM Tuning
The
FM Tuning
knob
selects stations
in
the 87.5 to
108 megacycle
band,
while
the
AM Tunins knob
selects stations
in
the 535 to
1620
A,,houodn
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il
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tl
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tl
m"
o
kilocycle band. Turning
either
knob
will
move
the
corresponding
pointer
along the dial. scale to the station
you
wish to bear. A
logging
scale,
numbered 0 to I00, is included
on
the
dial
glass
between the
FM and AM scales. By
using this scale as a
reference,
you
can tune
in
your
favorite
stations
more
easily - the
numerical
order
is
linear,
and
the
gradations
are equal, As
you
tnne in a station, the left
(FM)
or
right
(AM)
portion
o{ the dual-display Micro-Ray tuning indicator
will
close. Best reception is achieved by tuning
until
the dark band
is
narrowest.
(On
AM,
the two
bright
sections may
overlap somewhat
on strong stations.)
Bqss crnd Treble
Conlrols
These controls
permit
you
to adjust the tonal
qualities
of sound
to
your personal
listening requirements. The
Bass Control varies
the
intensity of
the
low {requency
bass tones, while the Treble Control
varies the intensity
of the high frequency treble tones, Each Control
varies
the tones
for
both channels simultaneously, To increase or de-
crease
bass or treble
intensity,
turn
these
knobs
toward
MAX or MIN,
as desired.
To listen to
program
material
exactly as it originates
from
a broad-
casting studio, set these controls
to NORMAL. This is
"flat"
position,
and is equivalent
to
RIAA
equalization. If
you
leave
these controls at
NORMAL
while
playing
an LP or stereophonic record, RIAA equaliza-
tion
will
be
provided
automatically.
(A
Tape
Recorder
is
provided
with
NARTB equalization within its
own circuitry. Leaving the Bass
and Treble Controls in NORMAL
position
will maintain thii equaliza-
tion.) It should be remembered, however,
that these
controls may be
set to any
position
dictated by
personal
listening
preferences,
Eqlqnce Control
This controi enables
you
to obtain equal sound levels
{rom each
speaker systern,
Balanced
separation is important when
you
are listen-
ing to stereophonic
program
material,
since each section
of an orchestra
must be heard in its true
perspective;
that
is, neither
section
should
come through
any louder
than
it normally
would
in
relation to the
other.
FIGURE
l.
Fronf
Ponel Of The Ambqssodor.
Vith the Balance Control
pointing
to NORMAL,
the volume at
the left and right speaker syst€ms
should be the same.
However, any
slight imbalance that may exist due
to record characteristics, differ-
ences in roonl acoustics etc,
can be corrected
with this
control,
Simply turn the knob slightly toward
MAX-A or MAX-B lo
increase
the volume at the
left or right speaker systems, as
required. You can
also use this
control when
you
are listening to
monophonic
program
material,
since both speaker
systems are also
in
use.
In this case,
of course, balanced sound
outpui is not very critical.
It should be
pointed
out that the
Balance
Contlol
is
zol
a volume
control;
for,
as the
level
of sound
is increased
on
one speaker system,
it
is decreased on the other,
maintaining approximately the same over-
ail sound output.
(NOTE:
You can cut ofi the
sound
at either loud-
speaker system by
moving the control
to
its extreme MAX-A or
MAX-B
position.)
Aufomqtic Shuroff
In order to use the
automatic shutoff {eature,
the
AC Power
switch
on the control
panel
must first be
turned ON.
Then
by turning the
Automatic Shutoff switch to ON, the entire
Ambassador will
be turned
off after the last record has been
played,
and
will
be turned on again as
soon as the
Automatic Turntable
is
once
more
put
in operation, This
feature
may be defeated
by
turning
the switch to OFF. Be sure to
leate this switch OFF when not using the
Automatic
Turntable, or
the Ambassador
will
be inoperatiue.
CONNECTING
ADDITIONAL
COMPONENTS
TO THE
SOUND SYSTEM
OF
THE AMBASSADOR
f
r
aoorrrorv
ro LrsrENINc
to radio broadcasts
and
playing
the Auto-
I
matic Turntable,
you
can connect
other
program
sources
to the sound
system of the
Ambassador. These
can include
the
sound
from
your
TV
set,
the
FISHER Spacexpander
and MPX-70
multiplex
adaptor,
or
a
stereo tape recorder
(if
multiplex reception is not
desired).
The
in-
formation that follows describes
how
to
connect
additional
equipment,
and also
gives
the necessary control settings
for
proper
operation,
The
input and output
jacks
to
which
connections are
made
are
located
on the Tuner and Amplifier chassis, as
illustrated in
Figures 5 and
6.
Tope R.ecorder
A monophonic
tape
recorder may be
played
through lhe
Ambassa-
dor
by connecting the
recorder
output to the
AUX MONO
jack
on the
Tuner-Control chassis. You can record
a
program
from the
Ambassa-
dor by connecting
the tape
recorder input
jack
to the Channel
A or B
RCRDR OUTPUT
jack
on the same
chassis.
A stereo tape recorder may be used
if
the MPX-70
multiplex
adaptor
is not
instailed in
your
Ambassad,or.
In this case,
connect
the MPX INPUT
jacks
on the Ambassador to the recorder outputs,
and the RCRDR OUTPUT
jacks
on the
Ambassador
to the recorder
inputs.
Be sure
you
do
not reverse
the
channels when making these
connections. To
play
back
your
tapes through the sound
system of
the
Ambassador,
turn the Selector switch to
MPX
STEREO.
Mulriplex
Slereo
FM multiplex is a new
method of
transmitting
stereo broadcasts
over a
single
FM
station. In order
to
receive multiplex
programs
in
stereo
sound, the FISHER MPX-70 must
be added to the
Ambassador.
Without the addition of
the MPX-70,
you
will
hear
muitiplex
programs
monophonically,
just
as ordinary
FM
broadcasts.
'Io
install the MPX-
70, simply follow
these
{our
steps:
1 Mount
the NIPX-7O with
the
four
screws
provided.
2 -
Connect
the MPX OUTPUT
on the
Tuner-Control
chassis o{ the
Ambassador
(see
Figure
5) to the INPUT
jack
of the MPX-70
with
the three-{oot
cable
supplied.
3 - Connect the
Channel A and Channel
B OUTPUT
jacks
of the
MPX-70 to the corresponding
MPX INPUT
jacks
on the
Tuner-Control
chassis
of the
Ambassador.
Two cables
are supplied
{or this
purpose.
4
-
The
power
cable of the MPX-70 should be connected to
the
special NIPX CONNECTOR
jack
on the
Tuner chassis.
TV Sound
Because television receivers
differ
widely in circuit design, it
is
advisable
to
consult
your
serviceman
before attempting to connect
the sound
output of
your
TV
set to the sound system oI
the
Ambassa-
dor. However,
cnce the
method
of
connection has
been determined,
the cable
from
the
TV
set should be connected to the
AUX
MONO
input
jack
on the
side
of the
Tuner
chassis.
Set
the Selector Switch
to AUX NIONO and adjust the audio controls as
desired.
WS-l Speokers
Jacks
are
provided
on the Amplifier chassis
ol
the Ambassador
for the connection
of
two FISHER WS-1
Speakers
as adjuncts to
the two speaker
systems.
With the addition
of the WS-l system, the
stereophonic
as
well
as
monophonic
sound
pattern
can be augmented
to a
startling degree. Simply connect the WS-I cables to the WS-l
jacks.
Place
the speaker connected to the A
jack
on
the le{t side
of the room, and the speaker connected to the B
jack
on
the right
side of the room,
(as
viewed from the listening
area.)
Spocexponder
Special Spacexpander
jacks
are located on the Tuner-Controi
chassis
for the connection of this revolutionary ncw reverberation
device. Remove
the
jumper
plugs
before
installing
rhe
Spacexpander
and
store
in
a safe
place
for
possible
future use.
Then
make the fol-
lowing
connections:
f-TO
REV OUT A
jack
on the
Ambassador
to
the Channel A Output
jack
on the Spacexpander,
2-TO
REV OUT B
jack
on
lhe
Antbassador
to the Channel B Output
jack
on the Spacexpander,
3
TO
REV IN A
jack
on the
Ambassador
to the Channel A Input
jack
on the Spacexpand,er.
4-TO
REV IN B
jack
on the
Ambassador
to rhe
Channel B Input
jack
on the Spacexpander.
NOTE: If
rhe
Spar:expander is not
connected to these
jacks,
the
jumper
plugs
must
be inserted, or the
Ambassador
will be inoperative.
THE FM
AND AM ANTENNAS
-t
rpene're FM nNo
Al\1 erqrnl{Nas are supplied rvith
the
Ambassad.or
t-)
for the two types of radio reception. These antennas
should be ade-
quate
in all cases
exoept extreme
fringe
area
conditions.
If reception
is weak,
the
connection
of a roof antenna
may
be
necessary
to
increase
the
strength of the radio signals.
The
following information relers to
the
Antenna Terminal
strip at the rear of
the
Tuner
chassis
(see
Figure
5 ) .
FM
Antenno
A folded
dipole antenna
for Fl\{
reception is stapled
to the
rear
of
the
cabinet
along the edges. The leads from
this antenna are con-
nected
to
FM
T'erminals 2 and 3, To increase signal
strength, remove
these two leads and connect the leads from
a roof antenna in their
place
(see
Fig. 2).
Consult
your
serviceman about a
proper
FM
antenna for
your
area.
FIGURE 2. Anlenno
conncctions
(dipole
or
roof
type)
for normol or
fringe
signol
oreos.
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t-FM-r rAM-r
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SERVICE
NOTES
FIGURE 3. FM
Anlenno
connections for slrong signol orecs.
NOTE: In areas
where
reception is too strong, the
signal may
overload the
Tuner input circuit. To
cut down on excessive signal
strength, transfer
the leads of the
FM
antenna
to
FM Terminals I
and 2.
(See
Fig.
3.)
l-FM-r
rAM-r
I
Cleoning
the Diql
Glcrss
The
dial
glass
can be
removed for cleaning
purposes
by
following
these simple steps: I
Remove all of the
control knobs from
the
front
panei
by
pulling them up. 2
-
Remove
the screws {rom
the
wooden
panel,
then lift off the
panel.
3 - Loosen the screws that retain the
clips
to
the
dial
glass,
swing the
clips aside, then lift off the
glass.
(When
you
replace
the
dial
glass,
make certain it is set in the same
position
it occupied be{ore
removal.)
4
-
Remove dust
with
a dry cloth.
For more
thorough
cleaning, use
a soap and
water
solution
only.
II
yor
use any stronge-f cleaning agent,
you
may
damage
the markings on
the
glass.
At Your
Service
It is
our
continuing
desire to
have
your
FISHER instrument
give
you
the best
performance
of which
it is
capable. Toward
that objective
we
solir:it
your
correspondence on any
special
problems
that
may
arise. After
you
have had
an opportunity to
familiarize
yourself
with
THE FISHER, we would
appreciate hearing from
you
on
how it is
meeting
your
requirements.
Your
Fisher
Deqler
"We
take
care
of
our
own."
Be sure
to
consult
your
FISHER
dealer
promptly
if
any defect
is indicated.
He stands ready to assist
vou at anv time.
FIGURE
4. AM Roof Antenno conneclions
(link
disconnecred).
AM Antennq
The built-in Ferrite Loop Antenna that
provides
AM
reception is
connected to the
AM Tuner when the metal link connects AM Ter-
minals 4 and 5. lf reception
is weak
on some stations because of
fringe
area conditions, a roof antenna will
provide greatel
signal strength.
Disconnect the link from Terminal 4 and connect the AM roof
antenna
to
this terminal, as
shown in Fig. 4.
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