Harman Kardon TD420 Owners Manual - Page 9

Connection, Cleaning, Heads, Demagnetization

Page 9 highlights

"Remote Output" jack to the "Remote Input" of another stereo component.) Alternatively, if you have a stereo component with a built-in infrared remote sensor and a "Remote Output" jack, it may be possible to connect this jack to the "Remote Input" jack of your cassette deck. Not all components are compatible, but it will not hurt to experiment. Once your deck is connected, you will need a compatible remote control commander. One such commander is the remote control unit from Harman Kardon's TD450 cassette deck, available through Harman Kardon's Parts Department. In addition, most Harman Kardon Receivers include a System Remote Control which will control the functions of the cassette deck. CD Sync Connection Connect the TD420 "Remote Out" jack to the "Remot In" jack on a Harman Kardon Cd Player. Cleaning the Tape Heads Tape heads must be cleaned periodically to remove tape particles, which gradually build up on the heads, impairing sound quality and increasing wear on tapes. Heads may be cleaned in either of two ways: 1. Slightly dampen a cotton swab in isopropyl alcohol and gently rub the surfaces of each tape head. Use a second dampened swab to clean other surfaces coated with tape material. Repeat this cleaning every 30 tapes. The TD420 is equipped with an access hole on the top of the unit to facilitate cleaning of the heads. Be careful not to lose the cover to this access hole. 2. Use a tape head cleaning kit, which comes in the form of a tape cassette, and is simply inserted into the deck. Follow the instructions included with the kit. Demagnetization Tape heads and other internal parts gradually pick up magnetic fields, which can add noise to your tapes and even partially erase them. To prevent this problem, tape heads should be periodically demagnetized. A battery-powered demagnetizer is easiest to use. It comes in the form of a tape cassette and is simply inserted into the deck. Be certain to use this demagnetizer as frequently as its instructions recommend. Care of Tape 1. Store cassettes in their cases, in a location away from direct sunlight, excessive heat and high humidity. 2. Avoid placing a tape near a television set or loudspeaker; their magnetic fields can partially erase the tape. 3. To prevent accidental erasure of a tape, use a small screwdriver to remove the two square tabs located on the side of the cassette opposite the exposed tape. With these tabs removed, the tape cannot be recorded. If you later wish to record an erasure-protected tape, simply cover the small holes with adhesive tape. 4. Do not use old cassettes whose tape no longer moves smoothly from reel to reel. They may jam and damage your deck. 8

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"Remote
Output" jack
to
the
"Remote
Input"
of
another
stereo
component.)
Alternatively,
if
you
have
a
stereo
component
with
a
built-in
infrared
remote
sensor
and
a
"Remote
Output"
jack,
it
may
be
possible
to
connect
this
jack
to
the
"Remote
Input"
jack
of
your
cassette
deck.
Not
all
components
are
compatible,
but
it will
not
hurt
to
experiment.
Once
your
deck
is
connected,
you
will
need
a
compatible
remote
control
commander.
One
such
commander
is
the
remote
control
unit
from
Harman
Kardon's
TD450
cassette
deck,
available
through
Harman
Kardon's
Parts
Department.
In
addition,
most
Harman
Kardon
Receivers
include
a
System
Remote
Control
which
will
control
the
functions
of
the
cassette
deck.
CD
Sync
Connection
Connect
the
TD420
"Remote
Out"
jack
to
the
"Remot
In"
jack
on
a
Harman
Kardon
Cd
Player.
Cleaning
the
Tape
Heads
Tape
heads
must
be
cleaned
periodically
to
remove
tape
particles,
which
gradually
build
up
on
the
heads,
impairing
sound
quality
and
increasing
wear
on
tapes.
Heads
may
be
cleaned
in
either
of
two
ways:
1.
Slightly
dampen
a
cotton
swab
in
isopropyl
alcohol
and
gently
rub
the
surfaces
of
each
tape
head.
Use
a
second
dampened
swab
to
clean
other
surfaces
coated
with
tape
material.
Repeat
this
cleaning
every
30
tapes.
The
TD420
is
equipped
with
an
access
hole
on
the
top
of
the
unit
to
facilitate
cleaning
of
the
heads.
Be
careful
not
to
lose
the
cover to
this access
hole.
2.
Use
a
tape
head
cleaning
kit,
which
comes
in
the
form
of
a
tape
cassette,
and
is
simply
inserted
into
the
deck.
Follow
the
instructions
included
with
the
kit.
Demagnetization
Tape
heads
and
other
internal
parts
gradually
pick
up
magnetic
fields,
which
can
add
noise
to
your
tapes
and
even
partially
erase
them.
To
prevent
this
problem,
tape
heads
should
be
periodically
demagnetized.
A
battery
-powered
demagnetizer
is
easiest
to
use.
It
comes
in
the
form
of
a
tape
cassette
and
is
simply
inserted
into
the
deck.
Be
certain
to
use
this
demagnetizer
as
frequently
as
its
instructions
recommend.
Care
of
Tape
1.
Store
cassettes
in
their
cases,
in
a
location
away
from
direct
sunlight,
excessive
heat
and
high
humidity.
2.
Avoid
placing
a
tape
near
a
television
set
or
loudspeaker;
their
magnetic
fields
can
partially
erase
the
tape.
3.
To
prevent
accidental
erasure
of
a
tape,
use
a
small
screwdriver
to
remove
the
two
square
tabs
located
on
the
side
of
the
cassette
opposite
the
exposed
tape.
With
these
tabs
removed,
the
tape
cannot
be
recorded.
If
you
later
wish
to
record
an
erasure
-protected
tape,
simply
cover
the
small
holes
with
adhesive
tape.
4.
Do
not
use
old
cassettes
whose
tape
no
longer
moves
smoothly
from
reel
to
reel.
They
may
jam
and
damage
your
deck.
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