Teac A-1250 - Tape Erasing Procedures; Erasing All Recordings; Erasing Specific Sections; Head Demagnetization

Erasing
Demagnetizing
ilre
The
head
line-up of
the Model ,4-1250 as seen front
the
lront
is as shown
in the
photo.
Since
the recording
head
.functions
throughout the
recording
mode,
il a
pre-recprded
tape
is used for recording,
the old recording
will be
erased frrst
by the erase
head and a
new recording
made
at the recording head.
To
erase all
recordings
To only
erase
the
tape, the
MIC and
LINE
knobs
are
lully
rotated
counterclockwise
to
prevent any
sound
from
being
recorded,
the tape
started
in the
stereo
recording
mode, 2
tracks
(tracks
I and
3)
will be erased.
After
completing
erasure
of the first
two
tracks,
the reels
are
interchanged
and
the above
procedure
repeated. This
will erase
the
remaining
two
tracks
(tracks
4
and 2).
To
efficiently
erase
old recordings
from
tape
in a few
seconds,
the use
of
the TEAC
Model
E'2 Tape
Eraser is
recommended.
Model
E-2 Tape Eraser
To
erase
a section
of
a recording
1
Switch
on either
or both
the LEFT and
RIGIIT
ol
the
REC.
MODE and
start the
tape
in
the
playback mode
by
depressing
the
button
(do
not
depress
the recording
button
yet). When the portion
to be erased
arrives
simultaneously
depress
the RECORD and
--
buttons.
2 As soon as
the last
part
of
the section
to be erased
passes
the
erase
head,
quickly depress the STOP
button. Be
extremely carelul
not to erase more
than
intended
which
may happen if
you
should
miss correctiy
timing
the
instant to depress
the
RECORD
button,;---button, and
the
STOP
button.
Precaution
at stop-and-go recording
When you do
intermittent stop-and-go recording
on old
recorded tape,
a portion
ot' the old recording
will rernain
unerased at the
point
where the
STOP button
is depressed.
To
prevent
such fault, always
completely erase
the tape of
old recordings before
you
start
recording.
During long
perrods of use, the heads will become
slightly
magnetized.
As a result,
the high frequency
will decrease.
noise
will develop, or
in
extreme
cases the high
regions
will
drop
out or introduce
noise into
your
valued
pre-recorded
tapes. To keep
your
recor,ler
operating at
optimum
effi
-
ciency the heads should
be demagnetized at least
once for
every
50
hours
of use, with a
TEAC Model E-l
Head
Demagnetizer,
using the
procedures outlined below:
1 Turn oll
power to
the
tape deck.
2
Attach the
plastic protectors on
.the
pole tips of
the
Demagnetizer.
3
Plug
the
Demagnetizer
cord into an A.C.
outlet.
-1
Depress
the Demagnetizer
power
button, bring
the
tip
close to
the head and siowly move
it up and
down 4
or 5
times.
5
Slowlv
draw
it
away
from the head.
6 After
finishing
the
above
procedure on
each
head,
turn
otf
power
to the Demagnetizer
ONLY
after it
has been
drawn at least
l2 inches away
from the heads.
7 The same
demagnetizing
procedure
is lollowed
on each
head. capstan
shaft,
and the
guide
posts.
Model E-1 Head
Demagnetizer